diff --git a/IPython/lib/security.py b/IPython/lib/security.py
index 91a2344..152561d 100644
--- a/IPython/lib/security.py
+++ b/IPython/lib/security.py
@@ -48,7 +48,7 @@ def passwd(passphrase=None, algorithm='sha1'):
     Examples
     --------
     >>> passwd('mypassword')
-    'sha1:7cf3:b7d6da294ea9592a9480c8f52e63cd42cfb9dd12'
+    'sha1:7cf3:b7d6da294ea9592a9480c8f52e63cd42cfb9dd12'  # random
 
     """
     if passphrase is None: