diff --git a/README.md b/README.md
index 675d27a..f5e77c8 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,12 @@
 # PythonSampleApp
 
+This application shows:
+ - basic usage of input files in Python applications
+ - basic usage of input files in Python applications
+ - creating and returning output file in Python application
+
+Contents of the repository:
+ - [appDefinition.json](appDefinition.json) - application definition descriptor
+ - [sample_app.py](sample_app.py) - executable script containing the application code
+
+Check the https://docs.cyfronet.pl/display/ISDOC/Examples documentation to learn how to use this example 
\ No newline at end of file