diff --git a/src/main/java/net/onrc/onos/core/matchaction/MatchActionOperations.java b/src/main/java/net/onrc/onos/core/matchaction/MatchActionOperations.java
index 73cff28..7d9063f 100644
--- a/src/main/java/net/onrc/onos/core/matchaction/MatchActionOperations.java
+++ b/src/main/java/net/onrc/onos/core/matchaction/MatchActionOperations.java
@@ -22,7 +22,10 @@
      * The MatchAction operators.
      */
     public enum Operator {
+        /** Add a new match action. */
         ADD,
+
+        /** Remove an existing match action. */
         REMOVE,
     }
 
@@ -83,6 +86,12 @@
         return dependencies;
     }
 
+    /**
+     * Adds a dependency to this set of Operations.
+     *
+     * @param dependentOperationId Identifier of the Operations that must
+     *                             complete before this one can be installed
+     */
     public void addDependency(MatchActionOperationsId dependentOperationId) {
         dependencies.add(dependentOperationId);
     }