diff --git a/nifty5/models/variable.py b/nifty5/models/variable.py
index 75fb5603890236ea60a654d40dabee5d75085fc8..b4e4d4a4403359054e9816ec57d101b94564db7b 100644
--- a/nifty5/models/variable.py
+++ b/nifty5/models/variable.py
@@ -22,6 +22,7 @@ from .model import Model
 
 class Variable(Model):
     """
+    Changes MultiField to be a Variable model.
     Returns the MultiField.
     """
     def __init__(self, position):