README.md

@@ -18,8 +18,10 @@ collaborative work, see the AUTHOR file for details.
     * manuals: about "how to start" and " generate exe"  
     * descriptions/additional: background information documents 
     * descriptions/Fact_sheets: short summary of the model in English and German
+    * source_code/additional: overview on variables with their names in the 4C description and the names in the source code
+                              flow chart of the model 4C 
     * test_data_sets: test the correct function mode of the model with complete sets of input data and control files 
-    * publications: all relevant publications regarding the model 4C
+    * publications: relevant publications regarding the model 4C
 
 The source code is distributed via a git repository at: 
 https://gitlab.pik-potsdam.de/foresee/4C and is ready to use.
@@ -27,7 +29,7 @@ The code language is Fortran90. Since the model development is
 finished, there is no further development and no further support in model 
 download, setup, development or application. No merge or other development 
 requests will be handeled. Therefore there are no code style recommendations or
-instructions on how to create source code ammendments.
+instructions on how to create source code amendments.