Fix Javadoc warnings

Change-Id: Ia5fe7785f76da92abbf940599cbd3d7dc6ac2cc5
diff --git a/protocols/pcep/ctl/src/main/java/org/onosproject/pcep/controller/impl/PcepClientControllerImpl.java b/protocols/pcep/ctl/src/main/java/org/onosproject/pcep/controller/impl/PcepClientControllerImpl.java
index 3a1c74c..999dd40 100644
--- a/protocols/pcep/ctl/src/main/java/org/onosproject/pcep/controller/impl/PcepClientControllerImpl.java
+++ b/protocols/pcep/ctl/src/main/java/org/onosproject/pcep/controller/impl/PcepClientControllerImpl.java
@@ -791,7 +791,7 @@
     /**
      * Creates label stack for ERO object from network resource.
      *
-     * @param labelStack
+     * @param labelStack label stack
      * @param path (hop list)
      * @return list of ERO subobjects
      */