Fixing javadocs.

Change-Id: I100488664315af9c1b7faffab2d66ea3263d57ca
diff --git a/core/api/src/main/java/org/onosproject/net/flow/instructions/Instructions.java b/core/api/src/main/java/org/onosproject/net/flow/instructions/Instructions.java
index e0a5ca6..7c3c24e 100644
--- a/core/api/src/main/java/org/onosproject/net/flow/instructions/Instructions.java
+++ b/core/api/src/main/java/org/onosproject/net/flow/instructions/Instructions.java
@@ -265,8 +265,8 @@
 
     /**
      * Sends the packet to the table described in 'type'.
-     * @param type
-     * @return
+     * @param type flow rule table type
+     * @return table type transition instruction
      */
     public static Instruction transition(FlowRule.Type type) {
         checkNotNull(type, "Table type cannot be null");