Fix javadoc issues

Change-Id: I68b5e8feba625104f9a5c9eb62a56654ddea0516
diff --git a/core/api/src/main/java/org/onosproject/net/intent/MultiPointToSinglePointIntent.java b/core/api/src/main/java/org/onosproject/net/intent/MultiPointToSinglePointIntent.java
index 64c4fd8..19fcc7c 100644
--- a/core/api/src/main/java/org/onosproject/net/intent/MultiPointToSinglePointIntent.java
+++ b/core/api/src/main/java/org/onosproject/net/intent/MultiPointToSinglePointIntent.java
@@ -64,6 +64,7 @@
      * traffic selector and treatment.
      *
      * @param appId         application identifier
+     * @param key           intent key
      * @param selector      traffic selector
      * @param treatment     treatment
      * @param ingressPoints set of ports from which ingress traffic originates