S6:-Object-Oriented-Programming.md

-![](https://gitlab.etsit.urjc.es/rperez/pne-wiki/-/raw/master/s6-OOP/Cover/Cover.png)
+![](https://gitlab.eif.urjc.es/rperez/PNE/-/raw/master/s6-OOP/Cover/Cover.png)
 
 # Session 6: Object Oriented Programming
 
@@ -611,7 +611,8 @@ The session is finished. Make sure, during this week, that everything in this li
 
 # Credits
 
-* Rodrigo Pérez Rodríguez
+* Rodrigo Pérez Rodríguez (main author)
+* Gregorio Robles (review and minor changes and fixes)
 
 # License