diff --git a/Py4Mod/py4mod/README.md b/Py4Mod/py4mod/README.md
index b7f4ecbb22835cdfddde4c7f997b1a905e2d852f..b064b665267de7d6bdd92d049761dedaa68eaff7 100644
--- a/Py4Mod/py4mod/README.md
+++ b/Py4Mod/py4mod/README.md
@@ -1,5 +1,8 @@
 # Funktionennamen
 
+The following table gives a comparison between the names of the functions of the interfaces and a small description of their function. It is important to keep in mind that some functions receive different arguments depending on the chosen interface.
+
+
 | DymolaInterface          | OpenModelica Interface   | ModelicaModel          |                                                                                                        |
 | ------------------------ | ------------------------ | -------------          | ------------------------------------------------------------------------------------------------------ |
 | __init__                 | __init__                 | createInterface        | In OM creates an OMCSessionZMQ object, in DymInterface starts Dymola                                   |
@@ -15,12 +18,15 @@
 | dymApplyModifiers        | setValue                 |     ---                | In Dymola applies modifiers in modifierList. In OM chage the starts values in the XML init file                                                                    |
 | buildModel               | buildModel               | buildModel             | Builds a modelica model by generating c code and build it                                              |
 | ---                      | simulate                 |     ---                | Simulate or re-simulate model by calling the .exe file (generated with buildModel())                   |
-| simulateModel            | simulateModel            || Simulates a modelica model by generating c code, build it and run the simulation executable            |
+| simulateModel            | simulateModel            | --- | In OM simulates a modelica model by generating c code, build it and run the simulation executable. In Dymola simulates the model and compiles it if it has not been compiled before   |
 | getResultVarNames        | getResultVarNames        | getResultVarNames      | Returns the variablen names from the simulation result                                                 |
 | getResultsFast           | getResultsFast           | getResults             | Returns the trajectories for the variables in outputVarList by using ModelicaRes                       |
 | getResults               | getResults               |     ---                | To extract simulation results by using OMPython/DymolaInterface                                        |
-| close                    | exit                     |     ---                | To close dymola                                                                                        |
+| close                    | close                    | close                  | To close dymola or OM                                                                                  |
 
 <br />
 ** This function is not necesary in Dymola <br />
---- This function is not implemented in the Interface 
\ No newline at end of file
+--- This function is not implemented in the Interface 
+
+<br />
+The functions that have not been implemented in ModelicaModel but in any of the interfaces can be easily called with the class variable self.interface.