diff --git a/source/EV3.m b/source/EV3.m
index 535101a6a6b34c695fbd3abf788135c29a45f55d..f263011d5f4a8e5a7b366cb124b88fe91f0d18c7 100644
--- a/source/EV3.m
+++ b/source/EV3.m
@@ -10,7 +10,7 @@ classdef EV3 < handle
     %       motorA[,B,C,D]  - 
     %       sensor1[,2,3,4] -
     %       debug           - 
-    %       batteryMode     - Format in which batteryValue should be returned
+    %       batteryMode     - Mode for reading battery charge
     %   Dependent
     %       batteryValue    - Current battery charge level
     %   get-only
@@ -23,7 +23,7 @@ classdef EV3 < handle
     %       connect         - Connects EV3-object and its Motors and Sensors to physical brick via bt or usb.
     %       disconnect      - Disconnects EV3-object and its Motors and Sensors from physical brick.
     %       update          - Updates all Motors and Sensors
-    %       coupleMotors    - Updates all Motors and Sensors to current status of their corresponding ports.
+    %       coupleMotors    - Creates and connects a SyncMotor-object using two chosen Motor-objects 
     %       beep            - Plays a 'beep' tone on brick.
     %       playTone        - Plays tone on brick.
     %       stopTone        - Stops tone currently played.
@@ -64,9 +64,14 @@ classdef EV3 < handle
     
     properties  % Standard properties 
         %% Modi
+        
+        %batteryMode -  Mode for reading battery charge
+        %   -> 'Percentage' / 'Voltage'
+        % See also EV3.BATTERYVALUE
         batteryMode = 'Percentage';
         
         %% Debug
+        
         debug;
     end
 
@@ -79,7 +84,8 @@ classdef EV3 < handle
         brick = 0;  % Brick object from sub-layer class Brick -> used as interface to the 
                     % physical brick.
                     
-        %% Motors & Sensors
+        %% Motors and Sensors
+        
         motorA;
         motorB;
         motorC;
@@ -268,8 +274,7 @@ classdef EV3 < handle
         
         %% System functions
         function syncMotor = coupleMotors(ev3, varargin)
-            %coupleMotors Creates a SyncMotor-object for synced use of motor1 and motor2, using parameters
-            % of motor1.
+            %coupleMotors Creates and connects a SyncMotor-object using two chosen Motor-objects. 
             %
             % Notes
             %  * Right now only possible if connection to Brick has been established.
@@ -282,11 +287,12 @@ classdef EV3 < handle
             %
             % Example
             %  b = EV3(); b.connect('ioType', 'bt', 'serPort', '/dev/rfcomm0');
-            %  sync = b.coupleMotors('AB'); % Couple motors A and B with parameters of
+            %  sync = b.coupleMotors('AB'); % Couple motors A and B using parameters of
             %                               % Motor-object motorA.
-            %  sync = b.coupleMotors('CD', 'useMotorParams', 0, 'power', 50, 'debug', 'on');
-            %                               % Couple motors C and D with default resp. given
-            %                               % parameters.
+            %  sync2 = b.coupleMotors('CD', 'useMotorParams', 0, 'power', 50, 'debug', 'on');
+            %                               % Couple motors C and D with new object being 
+            %                               % initialized with default resp. given parameters.
+            %
             
             if ~ev3.isConnected
                 error('EV3::update: No brick connected.');
@@ -554,6 +560,7 @@ classdef EV3 < handle
             bat = ev3.getBattery();
         end
         
+        %% Display
         %% Display
         function display(ev3)
             % WIP
diff --git a/source/Motor.m b/source/Motor.m
index 1caa1a193e046409adf504f3441b55f8d4739934..f0866b121227fe600173e860d879742d5bdade67 100644
--- a/source/Motor.m
+++ b/source/Motor.m
@@ -115,8 +115,8 @@ classdef Motor < handle
         limitMode;
         
         %mode -  Device mode at port, used as tacho mode (i.e. what tachoCount should return)
-        % There is also DeviceMode.Motor.Speed, but this is only used internally.
-        %   -> DeviceMode.Motor.Degrees / DeviceMode.Motor.Rotations
+        %   -> DeviceMode.Motor.Degrees / DeviceMode.Motor.Rotations 
+        %     (DeviceMode.Motor.Speed is also defined, but this is only used internally.)
         mode;
         
         %debug -  Debug turned on or off