Update README

README.md

@@ -25,10 +25,10 @@ Consider that the Docker repository and the username to login on the box are pas
     - containerlab
 ```
 
-So you should: 
+So you should (on gitlab.geant.net): 
 
 ```
 export GITLAB_USER=name.surname
 export GITLAB_TOKEN=your_token (you generate it in profile, access-tokens, registry-read as right)
 
-```
\ No newline at end of file
+```