Switch Event to hold initial Ports

Change-Id: I96e2709ed66760e1a8a8c7b797e404543e7cf1d1
diff --git a/src/main/java/net/onrc/onos/ofcontroller/networkgraph/PortEvent.java b/src/main/java/net/onrc/onos/ofcontroller/networkgraph/PortEvent.java
index f51ee58..addd695 100644
--- a/src/main/java/net/onrc/onos/ofcontroller/networkgraph/PortEvent.java
+++ b/src/main/java/net/onrc/onos/ofcontroller/networkgraph/PortEvent.java
@@ -1,7 +1,7 @@
 package net.onrc.onos.ofcontroller.networkgraph;
 
 /**
- * Self-contained Port object for event
+ * Self-contained Port event Object
  *
  * TODO: We probably want common base class/interface for Self-Contained Event Object
  *