diff --git a/Exercise-Configuration.md b/Exercise-Configuration.md
index 9f86351..2a7a02f 100644
--- a/Exercise-Configuration.md
+++ b/Exercise-Configuration.md
@@ -6,16 +6,59 @@ HiLC is divided in several parts which takes care of different things. There are
 
 ## ExerciseConfig
 
-@todo
+Represents basic exercise configuration which connects all things together. For some reasons there two formats of this configuration, one which is saved in the database and the other one which is sent back to web application. Both formats are described bellow.
+
+### Backend Format
+
+Mandatory items are bold, optional italic, description of items follows:
+
+* ...
+
+Example:
+
+```
+```
+
+### Frontend Format
+
+Mandatory items are bold, optional italic, description of items follows:
+
+* ...
+
+Example:
+
+```
+```
 
 ## Pipeline
 
-@todo
+Mandatory items are bold, optional italic, description of items follows:
+
+* ...
+
+Example:
+
+```
+```
 
 ## Limits
 
-@todo
+Mandatory items are bold, optional italic, description of items follows:
+
+* ...
+
+Example:
+
+```
+```
 
 ## RuntimeConfig
 
-@todo
+Mandatory items are bold, optional italic, description of items follows:
+
+* ...
+
+Example:
+
+```
+```