diff --git a/utils/netty/src/main/java/org/onlab/netty/MessageHandler.java b/utils/netty/src/main/java/org/onlab/netty/MessageHandler.java
index fe91fb2..a87d8fc 100644
--- a/utils/netty/src/main/java/org/onlab/netty/MessageHandler.java
+++ b/utils/netty/src/main/java/org/onlab/netty/MessageHandler.java
@@ -24,8 +24,9 @@
 
     /**
      * Handles the message.
+     *
      * @param message message.
-     * @throws IOException.
+     * @throws IOException if an error is encountered handling the message
      */
     public void handle(Message message) throws IOException;
 }