diff --git a/openvimd.cfg b/openvimd.cfg
index 148e992..9641938 100644
--- a/openvimd.cfg
+++ b/openvimd.cfg
@@ -35,7 +35,7 @@
 mode: test
 
 #Openflow controller information
-of_controller:      floodlight                   # Type of controller to be used. 
+of_controller:      floodlight                   # Type of controller to be used.
                                                  # Valid controllers are 'opendaylight', 'floodlight' or <custom>
 #of_controller_module: module                    # Only needed for <custom>.  Python module that implement
                                                  # this controller. By default a file with the name  <custom>.py is used