Fix typos detected by Frank Wang

Change-Id: I86b2e302569eff89d7051321a4531c7e0dc242f9
diff --git a/apps/openstacknetworking/src/main/java/org/onosproject/openstacknetworking/impl/OpenstackSecurityGroupHandler.java b/apps/openstacknetworking/src/main/java/org/onosproject/openstacknetworking/impl/OpenstackSecurityGroupHandler.java
index f425f3b..23622f4 100644
--- a/apps/openstacknetworking/src/main/java/org/onosproject/openstacknetworking/impl/OpenstackSecurityGroupHandler.java
+++ b/apps/openstacknetworking/src/main/java/org/onosproject/openstacknetworking/impl/OpenstackSecurityGroupHandler.java
@@ -285,7 +285,7 @@
     /**
      * Sets connection tracking rule using OVS extension commands.
      * It is not so graceful, but I don't want to make it more general because it is going to be used
-     * only here. The following is the usage of the fucntion.
+     * only here. The following is the usage of the function.
      *
      * @param deviceId Device ID
      * @param ctState ctState: please use RulePopulatorUtil.computeCtStateFlag() to build the value