diff --git a/Documentation.md b/Documentation.md
index 4143582..5b8d731 100644
--- a/Documentation.md
+++ b/Documentation.md
@@ -12,6 +12,8 @@ Session : +id
 Session : +date
 Session : +beginningHour
 Session : +endHour
+Session : +room
+
 
 Movie : +id
 Movie : +name