Minor cosmetic changes

Change-Id: Ib594c3481a2e8881da37981b6ab4deb5a8e4eb12
diff --git a/protocols/netconf/ctl/src/main/java/org/onosproject/netconf/ctl/impl/NetconfControllerImpl.java b/protocols/netconf/ctl/src/main/java/org/onosproject/netconf/ctl/impl/NetconfControllerImpl.java
index 9b4d7fc..c03a6a4 100644
--- a/protocols/netconf/ctl/src/main/java/org/onosproject/netconf/ctl/impl/NetconfControllerImpl.java
+++ b/protocols/netconf/ctl/src/main/java/org/onosproject/netconf/ctl/impl/NetconfControllerImpl.java
@@ -307,8 +307,8 @@
         }
     }
 
-    //Listener for closed session with devices, gets triggered whe devices goes down
-    // or sends the endpattern ]]>]]>
+    //Listener for closed session with devices, gets triggered when devices goes down
+    // or sends the end pattern ]]>]]>
     private class DeviceDownEventListener implements NetconfDeviceOutputEventListener {
 
         @Override