diff --git a/mininet/net.py b/mininet/net.py
index cfd8d083f79a3c0aa5bb087d90bf98c4fb8419d9..afe80969e44b514fd27ff16d3d4c4c6ba6e2b4ec 100755
--- a/mininet/net.py
+++ b/mininet/net.py
@@ -220,7 +220,6 @@ def addController( self, name='c0', controller=None, **params ):
             name = controller_new.name
             # pylint: enable=E1103
         else:
-            # bookmark
             controller_new = controller( name, **params )
         # Add new controller to net
         if controller_new: # allow controller-less setups