diff --git a/IPython/Extensions/envpersist.py b/IPython/Extensions/envpersist.py
index 47096a2..ca47138 100644
--- a/IPython/Extensions/envpersist.py
+++ b/IPython/Extensions/envpersist.py
@@ -1,10 +1,5 @@
 # -*- coding: utf-8 -*-
-"""
-%store magic for lightweight persistence.
-
-Stores variables, aliases etc. in PickleShare database.
-
-$Id: iplib.py 1107 2006-01-30 19:02:20Z vivainio $
+""" %env magic command for storing environment variables persistently
 """
 
 import IPython.ipapi