diff --git a/CSMR/CSMR-2020/csmr-2020_startCSD.xml b/CSMR/CSMR-2020/csmr-2020_startCSD.xml
index 6931249be19fd7800b564d9343cc2844acfc1e46..fbfb182254433e77bb1e49bab31a022b10f0e229 100644
--- a/CSMR/CSMR-2020/csmr-2020_startCSD.xml
+++ b/CSMR/CSMR-2020/csmr-2020_startCSD.xml
@@ -8,7 +8,7 @@
                 <value>SMR-2020</value>
             </model>
         </general>
-        <mission_files description="Name of xml files which are located in the missionData directory and contain the flight phase data" tool_level="0">
+        <mission_files description="Name of xml files which are located in the mission_data directory and contain the flight phase data" tool_level="0">
             <design_mission_file description="Name of the design mission xml">
                 <value>design_mission.xml</value>
             </design_mission_file>
@@ -21,58 +21,32 @@
         </mission_files>
         <design_specification description="Design specification">
             <configuration description="Configuration information">
-                <aerodynamic_technologies description="Integration of aerodynamic technologies on the aircraft: true / false">
-                    <value>false</value>
-                </aerodynamic_technologies>
-                <configuration_type description="aircraft configuration: tube_and_wing / blended_wing_body">
+                <configuration_type description="Aircraft configuration. Selector: tube_and_wing">
                     <value>tube_and_wing</value>
                 </configuration_type>
                 <fuselage_definition description="Design description of the fuselage.">
-                    <fuselage_type description="Fuselage type: single_aisle / wide_body">
+                    <fuselage_type description="Fuselage type. Selector: single_aisle / wide_body">
                         <value>single_aisle</value>
                     </fuselage_type>
-                    <fuselage_pressurization description="Switch to select a pressurized fuselage. (true: pressurized fuselage, false: non pressurized fuselage)">
+                    <fuselage_pressurization description="Switch to enable pressurized fuselage. Switch: true (On) / false (Off)">
                         <value>true</value>
                     </fuselage_pressurization>
-                    <blended_wing_body_configuration description="Additional design description for blended wing body configurations.">
-                        <number_of_payload_tubes description="Number of fuselage tubes for blendend wing body configurations. For tube and wing configuration is set to 1.">
-                            <value>1</value>
-                            <unit>1</unit>
-                            <default>1</default>
-                            <lower_boundary>1</lower_boundary>
-                            <upper_boundary>5</upper_boundary>
-                        </number_of_payload_tubes>
-                        <center_body_wing_sweep description="Sweep of the leading edge of the center body.">
-                            <value>60</value>
-                            <unit>degree</unit>
-                            <default>60</default>
-                            <lower_boundary>0</lower_boundary>
-                            <upper_boundary>75</upper_boundary>
-                            <center_body_wing_sweep_tolerance Desc="Permissible deviation of the actual from the desired leading edge sweep of the center body.">
-                                <value>5</value>
-                                <unit>degree</unit>
-                                <default>5</default>
-                                <lower_boundary>0</lower_boundary>
-                                <upper_boundary>15</upper_boundary>
-                            </center_body_wing_sweep_tolerance>
-                        </center_body_wing_sweep>
-                    </blended_wing_body_configuration>
                 </fuselage_definition>
                 <wing_definition description="Definitions for wing design">
-                    <mounting description="wing mounting for tube_and_wing configuration (ignored at blended_wing_body) - low / mid / high">
+                    <mounting description="Wing mounting. Selector: low">
                         <value>low</value>
                     </mounting>
                 </wing_definition>
                 <empennage_definition description="Definitions for empennage design">
-                    <empennage_type description="tube_and_wing configuration: conventional - blended_wing_body: vertical_tails">
+                    <empennage_type description="Empennage type. Selector: conventional">
                         <value>conventional</value>
                     </empennage_type>
                 </empennage_definition>
                 <undercarriage_definition description="Design description of the undercarriage.">
-                    <main_gear_mounting description="Mounting position of the main landing gear: wing_mounted / fuselage_mounted.">
+                    <main_gear_mounting description="Mounting position of the main landing gear. Selector: wing_mounted / fuselage_mounted">
                         <value>wing_mounted</value>
                     </main_gear_mounting>
-                    <undercarriage_retractability description="Switch to set retractability of landing gear: retractable / non_retractable.">
+                    <undercarriage_retractability description="Set retractability of landing gear. Selector: retractable / non_retractable">
                         <value>retractable</value>
                     </undercarriage_retractability>
                 </undercarriage_definition>
@@ -84,13 +58,13 @@
                             <lower_boundary>0</lower_boundary>
                             <upper_boundary>5</upper_boundary>
                         </energy_carrier_ID>
-                        <location description="Component where the tank is located: fuselage, wing, horizontal_stabilizer">
+                        <location description="Component where the tank is located. Selector: fuselage / wing / horizontal_stabilizer">
                             <value>wing</value>
                         </location>
-                        <position description="Position of tank in location: tailcone, rear, front, top, bottom, center, inner_left, outer_left, inner_right, outer_right, total">
+                        <position description="Position of tank in location. Selector: center / inner_left / outer_left / inner_right / outer_right / total">
                             <value>inner_left</value>
                         </position>
-                        <energy_share description="Share of this tanks energy in relation to required mission energy (of same energy carrier). Only relevant for liquid hydrogen tanks. Equals 0.0 for kerosene tanks.">
+                        <energy_share description="Share of this tanks energy in relation to required mission energy (of same energy carrier). Equals 0.0 for kerosene tanks. Only relevant for liquid hydrogen (not impemented yet). ">
                             <value>0.0</value>
                             <unit>1</unit>
                             <lower_boundary>0.0</lower_boundary>
@@ -107,10 +81,10 @@
                         <location description="Component where the tank is located: fuselage, wing, horizontal_stabilizer">
                             <value>wing</value>
                         </location>
-                        <position description="Position of tank in location: tailcone, rear, front, top, bottom, center, inner_left, outer_left, inner_right, outer_right, total">
+                        <position description="Position of tank in location. Selector: center / inner_left / outer_left / inner_right / outer_right / total">
                             <value>outer_left</value>
                         </position>
-                        <energy_share description="Share of this tanks energy in relation to required mission energy (of same energy carrier). Only relevant for liquid hydrogen tanks. Equals 0.0 for kerosene tanks.">
+                        <energy_share description="Share of this tanks energy in relation to required mission energy (of same energy carrier). Equals 0.0 for kerosene tanks. Only relevant for liquid hydrogen (not impemented yet). ">
                             <value>0.0</value>
                             <unit>1</unit>
                             <lower_boundary>0.0</lower_boundary>
@@ -127,10 +101,10 @@
                         <location description="Component where the tank is located: fuselage, wing, horizontal_stabilizer">
                             <value>wing</value>
                         </location>
-                        <position description="Position of tank in location: tailcone, rear, front, top, bottom, center, inner_left, outer_left, inner_right, outer_right, total">
+                        <position description="Position of tank in location. Selector: center / inner_left / outer_left / inner_right / outer_right / total">
                             <value>inner_right</value>
                         </position>
-                        <energy_share description="Share of this tanks energy in relation to required mission energy (of same energy carrier). Only relevant for liquid hydrogen tanks. Equals 0.0 for kerosene tanks.">
+                        <energy_share description="Share of this tanks energy in relation to required mission energy (of same energy carrier). Equals 0.0 for kerosene tanks. Only relevant for liquid hydrogen (not impemented yet). ">
                             <value>0.0</value>
                             <unit>1</unit>
                             <lower_boundary>0.0</lower_boundary>
@@ -147,10 +121,10 @@
                         <location description="Component where the tank is located: fuselage, wing, horizontal_stabilizer">
                             <value>wing</value>
                         </location>
-                        <position description="Position of tank in location: tailcone, rear, front, top, bottom, center, inner_left, outer_left, inner_right, outer_right, total">
+                        <position description="Position of tank in location. Selector: center / inner_left / outer_left / inner_right / outer_right / total">
                             <value>outer_right</value>
                         </position>
-                        <energy_share description="Share of this tanks energy in relation to required mission energy (of same energy carrier). Only relevant for liquid hydrogen tanks. Equals 0.0 for kerosene tanks.">
+                        <energy_share description="Share of this tanks energy in relation to required mission energy (of same energy carrier). Equals 0.0 for kerosene tanks. Only relevant for liquid hydrogen (not impemented yet). ">
                             <value>0.0</value>
                             <unit>1</unit>
                             <lower_boundary>0.0</lower_boundary>
@@ -167,50 +141,10 @@
                         <location description="Component where the tank is located: fuselage, wing, horizontal_stabilizer">
                             <value>wing</value>
                         </location>
-                        <position description="Position of tank in location: tailcone, rear, front, top, bottom, center, inner_left, outer_left, inner_right, outer_right, total">
+                        <position description="Position of tank in location. Selector: center / inner_left / outer_left / inner_right / outer_right / total">
                             <value>center</value>
                         </position>
-                        <energy_share description="Share of this tanks energy in relation to required mission energy (of same energy carrier). Only relevant for liquid hydrogen tanks. Equals 0.0 for kerosene tanks.">
-                            <value>0.0</value>
-                            <unit>1</unit>
-                            <lower_boundary>0.0</lower_boundary>
-                            <upper_boundary>1.0</upper_boundary>
-                        </energy_share>
-                    </tank>
-                    <tank ID="5" description="Additional center tank">
-                        <energy_carrier_ID description="see energy carrier specification node">
-                            <value>0</value>
-                            <unit>1</unit>
-                            <lower_boundary>0</lower_boundary>
-                            <upper_boundary>5</upper_boundary>
-                        </energy_carrier_ID>
-                        <location description="Component where the tank is located: fuselage, wing, horizontal_stabilizer">
-                            <value>fuselage</value>
-                        </location>
-                        <position description="Position of tank in location: tailcone, rear, front, top, bottom, center, inner_left, outer_left, inner_right, outer_right, total">
-                            <value>center</value>
-                        </position>
-                        <energy_share description="Share of this tanks energy in relation to required mission energy (of same energy carrier). Only relevant for liquid hydrogen tanks. Equals 0.0 for kerosene tanks.">
-                            <value>0.0</value>
-                            <unit>1</unit>
-                            <lower_boundary>0.0</lower_boundary>
-                            <upper_boundary>1.0</upper_boundary>
-                        </energy_share>
-                    </tank>
-                    <tank ID="6" description="Trim tank">
-                        <energy_carrier_ID description="see energy carrier specification node">
-                            <value>0</value>
-                            <unit>1</unit>
-                            <lower_boundary>0</lower_boundary>
-                            <upper_boundary>5</upper_boundary>
-                        </energy_carrier_ID>
-                        <location description="Component where the tank is located: fuselage, wing, horizontal_stabilizer">
-                            <value>horizontal_stabilizer</value>
-                        </location>
-                        <position description="Position of tank in location: tailcone, rear, front, top, bottom, center, inner_left, outer_left, inner_right, outer_right, total">
-                            <value>total</value>
-                        </position>
-                        <energy_share description="Share of this tanks energy in relation to required mission energy (of same energy carrier). Only relevant for liquid hydrogen tanks. Equals 0.0 for kerosene tanks.">
+                        <energy_share description="Share of this tanks energy in relation to required mission energy (of same energy carrier). Equals 0.0 for kerosene tanks. Only relevant for liquid hydrogen (not impemented yet). ">
                             <value>0.0</value>
                             <unit>1</unit>
                             <lower_boundary>0.0</lower_boundary>
@@ -219,20 +153,20 @@
                     </tank>
                 </tank_definition>
                 <loads description="Loads information">
-                    <design_load_factor description="design load factor n">
-                        <maximum description="maximum design load factor n">
+                    <design_load_factor description="Design load factor n">
+                        <maximum description="Maximum design load factor n">
                             <value>2.5</value>
                             <unit>1</unit>
                             <lower_boundary>0</lower_boundary>
                             <upper_boundary>4</upper_boundary>
                         </maximum>
-                        <minimum description="maximum design load factor n">
+                        <minimum description="Minimum design load factor n">
                             <value>-1.0</value>
                             <unit>1</unit>
                             <lower_boundary>-2.0</lower_boundary>
                             <upper_boundary>0.0</upper_boundary>
                         </minimum>
-                        <maneuver description="standard maneuver load factor for e.g. flare">
+                        <maneuver description="Standard maneuver load factor for e.g. flare">
                             <value>1.1</value>
                             <unit>1</unit>
                             <lower_boundary>0.0</lower_boundary>
@@ -240,6 +174,9 @@
                         </maneuver>
                     </design_load_factor>
                 </loads>
+                <aerodynamic_technologies description="Integration of aerodynamic technologies on the aircraft: Switch: false (no additional aerodynamic technologies are considered)">
+                    <value>false</value>
+                </aerodynamic_technologies>
             </configuration>
             <transport_task description="Define the transport task for aircraft project.">
                 <passenger_definition description="Define the masses of the passengers">
@@ -255,14 +192,14 @@
                         <lower_boundary>50</lower_boundary>
                         <upper_boundary>200</upper_boundary>
                     </mass_per_passenger>
-                    <luggage_mass_per_passenger description="Design mass of a the luggage for a single passenger">
+                    <luggage_mass_per_passenger description="Design mass of the luggage for a single passenger">
                         <value>15</value>
                         <unit>kg</unit>
                         <lower_boundary>0</lower_boundary>
                         <upper_boundary>25</upper_boundary>
                     </luggage_mass_per_passenger>
                 </passenger_definition>
-                <multi_passenger_deck_layout description="Switch to select a multi passenger deck fuselage design. (true: multi passenger deck allowed, false: multi passenger deck denied)">
+                <multi_passenger_deck_layout description="Switch to select a multi passenger deck fuselage design. Switch: true (On) / false (Off)">
                     <value>false</value>
                     <default>false</default>
                     <specific_number_of_passenger_decks>
@@ -295,7 +232,7 @@
             </transport_task>
             <energy_carriers description="Energy carriers information">
                 <energy_carrier ID="0" description="One specific energy carrier">
-                    <type description="Energy type (for multifuel engine create new ID). Selector: kerosene / liquid_hydrogen / battery / saf">
+                    <type description="Energy type (for multifuel engine create new ID). Selector: kerosene">
                         <value>kerosene</value>
                     </type>
                     <density description="Energy carrier density.">
@@ -304,13 +241,13 @@
                         <lower_boundary>0</lower_boundary>
                         <upper_boundary>10000</upper_boundary>
                     </density>
-                    <volumetric_density description="Volumetric energy density of energy carrier.">
-                        <value>33.833.500.000</value>
+                    <volumetric_density description="Volumetric energy density of energy carrier">
+                        <value>3.38335e+10</value>
                         <unit>J/m^3</unit>
                         <lower_boundary>0</lower_boundary>
                         <upper_boundary>1e+12</upper_boundary>
                     </volumetric_density>
-                    <gravimetric_density description="Gravimetric energy density of energy carrier.">
+                    <gravimetric_density description="Gravimetric energy density of energy carrier">
                         <value>43100000</value>
                         <unit>J/kg</unit>
                         <lower_boundary>0</lower_boundary>
@@ -320,27 +257,27 @@
             </energy_carriers>
             <propulsion description="Propulsion information">
                 <propulsor ID="0" description="Information for specific propulsor">
-                    <powertrain description="Way the power is generated from the source. Selector: turbo / electric / fuel_cell">
+                    <powertrain description="Way the power is generated from the source. Selector: turbo">
                         <value>turbo</value>
                     </powertrain>
-                    <type description="Type of main thrust generator. Selector: fan / prop">
+                    <type description="Type of main thrust generator. Selector: fan">
                         <value>fan</value>
                     </type>
-                    <position description="propulsor position (arrangement order acc to ID order)">
-                        <parent_component description="position on component. Selector: wing / fuselage / empennage">
+                    <position description="Propulsor position (arrangement order acc to ID order)">
+                        <parent_component description="Position on component. Selector: wing / fuselage / empennage">
                             <value>wing</value>
                         </parent_component>
-                        <x description="x-position (aircraft coordinate system). Selector: front / back">
+                        <x description="X-position (aircraft coordinate system). Selector: front / back">
                             <value>front</value>
                         </x>
-                        <y description="y position (aircraft coordinate system). Selector: left / right">
+                        <y description="Y-position (aircraft coordinate system). Selector: left / right">
                             <value>left</value>
                         </y>
-                        <z description="z position (aircraft coordinate system). Selector: over / mid / under / in">
+                        <z description="Z-position (aircraft coordinate system). Selector: over / mid / under / in">
                             <value>under</value>
                         </z>
                     </position>
-                    <energy_carrier_ID description="see energy carrier specification node">
+                    <energy_carrier_ID description="See energy carrier specification node">
                         <value>0</value>
                         <unit>1</unit>
                         <lower_boundary>0</lower_boundary>
@@ -354,27 +291,27 @@
                     </thrust_share>
                 </propulsor>
                 <propulsor ID="1" description="Information for specific propulsor">
-                    <powertrain description="Way the power is generated from the source. Selector: turbo / electric / fuel_cell">
+                    <powertrain description="Way the power is generated from the source. Selector: turbo">
                         <value>turbo</value>
                     </powertrain>
-                    <type description="Type of main thrust generator. Selector: fan / prop">
+                    <type description="Type of main thrust generator. Selector: fan">
                         <value>fan</value>
                     </type>
-                    <position description="propulsor position (arrangement order acc to ID order)">
-                        <parent_component description="position on component. Selector: wing / fuselage / empennage">
+                    <position description="Propulsor position (arrangement order acc to ID order)">
+                        <parent_component description="Position on component. Selector: wing / fuselage / empennage">
                             <value>wing</value>
                         </parent_component>
-                        <x description="x-position (aircraft coordinate system). Selector: front / back">
+                        <x description="X-position (aircraft coordinate system). Selector: front / back">
                             <value>front</value>
                         </x>
-                        <y description="y position (aircraft coordinate system). Selector: left / right">
+                        <y description="Y-position (aircraft coordinate system). Selector: left / right">
                             <value>right</value>
                         </y>
-                        <z description="z position (aircraft coordinate system). Selector: over / mid / under / in">
+                        <z description="Z-position (aircraft coordinate system). Selector: over / mid / under / in">
                             <value>under</value>
                         </z>
                     </position>
-                    <energy_carrier_ID description="see energy carrier specification node">
+                    <energy_carrier_ID description="See energy carrier specification node">
                         <value>0</value>
                         <unit>1</unit>
                         <lower_boundary>0</lower_boundary>
@@ -387,9 +324,9 @@
                         <upper_boundary>1</upper_boundary>
                     </thrust_share>
                 </propulsor>
-                <energy_provider description="source where energy is coming from per segment">
-                    <ground description="source where energy is coming from in the ground mission segment">
-                        <powertrain description="Way the power is generated from the source: propulsor, turbo, electric, fuel_cell">
+                <energy_provider description="Source where energy is coming from per segment">
+                    <ground description="Source where energy is coming from in the ground mission segment">
+                        <powertrain description="Way the power is generated from the source. Selector: propulsor / turbo / electric">
                             <value>turbo</value>
                         </powertrain>
                         <energy_carrier_ID description="see energy carrier specification node">
@@ -400,7 +337,7 @@
                         </energy_carrier_ID>
                     </ground>
                     <taxi description="source where energy is coming from in the taxi mission segment">
-                        <powertrain description="Way the power is generated from the source: propulsor, turbo, electric, fuel_cell">
+                        <powertrain description="Way the power is generated from the source. Selector: propulsor / turbo / electric">
                             <value>turbo</value>
                         </powertrain>
                         <energy_carrier_ID description="see energy carrier specification node">
@@ -411,7 +348,7 @@
                         </energy_carrier_ID>
                     </taxi>
                     <takeoff description="source where energy is coming from in the takeoff mission segment">
-                        <powertrain description="Way the power is generated from the source: propulsor, turbo, electric, fuel_cell">
+                        <powertrain description="Way the power is generated from the source. Selector: propulsor / turbo / electric">
                             <value>turbo</value>
                         </powertrain>
                         <energy_carrier_ID description="see energy carrier specification node">
@@ -422,7 +359,7 @@
                         </energy_carrier_ID>
                     </takeoff>
                     <climb description="source where energy is coming from in the climb mission segment">
-                        <powertrain description="Way the power is generated from the source: propulsor, turbo, electric, fuel_cell">
+                        <powertrain description="Way the power is generated from the source. Selector: propulsor / turbo / electric">
                             <value>turbo</value>
                         </powertrain>
                         <energy_carrier_ID description="see energy carrier specification node">
@@ -433,7 +370,7 @@
                         </energy_carrier_ID>
                     </climb>
                     <cruise description="source where energy is coming from in the cruise mission segment">
-                        <powertrain description="Way the power is generated from the source: propulsor, turbo, electric, fuel_cell">
+                        <powertrain description="Way the power is generated from the source. Selector: propulsor / turbo / electric">
                             <value>turbo</value>
                         </powertrain>
                         <energy_carrier_ID description="see energy carrier specification node">
@@ -444,7 +381,7 @@
                         </energy_carrier_ID>
                     </cruise>
                     <descent description="source where energy is coming from in the descent mission segment">
-                        <powertrain description="Way the power is generated from the source: propulsor, turbo, electric, fuel_cell">
+                        <powertrain description="Way the power is generated from the source. Selector: propulsor / turbo / electric">
                             <value>turbo</value>
                         </powertrain>
                         <energy_carrier_ID description="see energy carrier specification node">
@@ -455,7 +392,7 @@
                         </energy_carrier_ID>
                     </descent>
                     <landing description="source where energy is coming from in the landing mission segment">
-                        <powertrain description="Way the power is generated from the source: propulsor, turbo, electric, fuel_cell">
+                        <powertrain description="Way the power is generated from the source. Selector: propulsor / turbo / electric">
                             <value>turbo</value>
                         </powertrain>
                         <energy_carrier_ID description="see energy carrier specification node">
@@ -468,7 +405,7 @@
                 </energy_provider>
             </propulsion>
             <skinning description="Skinning Information">
-                <material description="Material of skinning">
+                <material description="Material of skinning. Selector: aluminium2024">
                     <value>aluminium2024</value>
                 </material>
                 <thickness description="Thickness of skinning">
@@ -479,14 +416,14 @@
                 </thickness>
             </skinning>
             <technology>
-                <variable_camber description="Switch if variable camber is used">
+                <variable_camber description="Switch if variable camber is used. Switch: false (Off)">
                     <value>false</value>
                 </variable_camber>
             </technology>
         </design_specification>
         <requirements description="Aircraft design requirements">
             <top_level_aircraft_requirements description="Top level aircraft requirements (TLAR)">
-                <maximum_structrual_payload_mass description="Maximum structual payload mass which can be carried by the aircraft (e.g. for short trips)">
+                <maximum_structrual_payload_mass description="Maximum payload mass which can be carried by the aircraft (e.g. for short trips)">
                     <value>19300</value>
                     <unit>kg</unit>
                     <lower_boundary>100</lower_boundary>
@@ -498,7 +435,7 @@
                     <lower_boundary>600</lower_boundary>
                     <upper_boundary>5000</upper_boundary>
                 </takeoff_distance>
-                <landing_field_length description="Needed runway length at Sea Level with maximum landiung mass (MLM) and (ISA + deltaISA)-Conditions (Safety-Landing Distance according to FAR 121.195: landing_field_required/0.6)">
+                <landing_field_length description="Needed runway length at Sea Level with maximum landing mass (MLM) and (ISA + deltaISA)-Conditions (Safety-Landing Distance according to FAR 121.195: landing_field_required/0.6)">
                     <value>2425.67</value>
                     <unit>m</unit>
                     <lower_boundary>600</lower_boundary>
@@ -545,7 +482,7 @@
                         <upper_boundary>1</upper_boundary>
                     </climb_or_descend_segment_gradient>
                 </flight_envelope>
-                <pavement_classification_number description="Runway pavment classification number (PCN) - limits the maximum allowed aircraft classification number of undercarriage.">
+                <pavement_classification_number description="Runway pavement classification number (PCN) - limits the maximum allowed aircraft classification number of undercarriage">
                     <value>55</value>
                     <unit>1</unit>
                     <lower_boundary>5</lower_boundary>
@@ -558,37 +495,37 @@
                         <lower_boundary>-100</lower_boundary>
                         <upper_boundary>100</upper_boundary>
                     </delta_ISA>
-                    <range description="Target range for the specified mission">
+                    <range description="Target range for design mission">
                         <value>4537400</value>
                         <unit>m</unit>
                         <lower_boundary>0</lower_boundary>
                         <upper_boundary>20000000</upper_boundary>
                     </range>
-                    <contingency description="Reserved Fuel Percentage">
+                    <contingency description="Contingency fuel in percentage (reserve fuel)">
                         <value>0.06</value>
                         <unit>1</unit>
                         <lower_boundary>0</lower_boundary>
                         <upper_boundary>0.08</upper_boundary>
                     </contingency>
-                    <alt_dist description="Reserved fuel - alternate distance">
+                    <alt_dist description="Alternate distance in m (reserve fuel)">
                         <value>370400</value>
                         <unit>m</unit>
                         <lower_boundary>0</lower_boundary>
                         <upper_boundary>926000</upper_boundary>
                     </alt_dist>
-                    <loiter_time description="Reserved fuel - loiter time in seconds">
+                    <loiter_time description="Loiter time in seconds (reserve fuel)">
                         <value>1800</value>
                         <unit>s</unit>
                         <lower_boundary>0</lower_boundary>
                         <upper_boundary>3600</upper_boundary>
                     </loiter_time>
-                    <initial_cruise_mach_number description="Initial cruise Mach number at top of descent. May be altered during cruise.">
+                    <initial_cruise_mach_number description="Initial cruise Mach number at top of descent. May be altered during cruise">
                         <value>0.78</value>
                         <unit>1</unit>
                         <lower_boundary>0</lower_boundary>
                         <upper_boundary>1</upper_boundary>
                     </initial_cruise_mach_number>
-                    <initial_cruise_altitude description="Initial cruise altitude (ICA) at top of descent. May be altered during cruise.">
+                    <initial_cruise_altitude description="Initial cruise altitude (ICA) at top of descent. May be altered during cruise">
                         <value>10058.4</value>
                         <unit>m</unit>
                         <lower_boundary>1000</lower_boundary>
@@ -647,19 +584,19 @@
                         <lower_boundary>-100</lower_boundary>
                         <upper_boundary>100</upper_boundary>
                     </delta_ISA>
-                    <range description="Target range for the specified mission">
+                    <range description="Target range for the study mission">
                         <value>1481600</value>
                         <unit>m</unit>
                         <lower_boundary>0</lower_boundary>
                         <upper_boundary>20000000</upper_boundary>
                     </range>
-                    <initial_cruise_mach_number description="Initial cruise Mach number at top of descent. May be altered during cruise.">
+                    <initial_cruise_mach_number description="Initial cruise Mach number at top of descent. May be altered during cruise">
                         <value>0.78</value>
                         <unit>1</unit>
                         <lower_boundary>0</lower_boundary>
                         <upper_boundary>1</upper_boundary>
                     </initial_cruise_mach_number>
-                    <initial_cruise_altitude description="Initial cruise altitude at top of descent. May be altered during cruise.">
+                    <initial_cruise_altitude description="Initial cruise altitude at top of descent. May be altered during cruise">
                         <value>10668</value>
                         <unit>m</unit>
                         <lower_boundary>1000</lower_boundary>