diff --git a/src/main/java/net/onrc/onos/core/matchaction/MatchActionOperationsState.java b/src/main/java/net/onrc/onos/core/matchaction/MatchActionOperationsState.java
index 4ccf668..f0470af 100644
--- a/src/main/java/net/onrc/onos/core/matchaction/MatchActionOperationsState.java
+++ b/src/main/java/net/onrc/onos/core/matchaction/MatchActionOperationsState.java
@@ -1,11 +1,22 @@
 package net.onrc.onos.core.matchaction;
 
-
+/**
+ * States for MatchActionOperations objects.
+ */
 public enum MatchActionOperationsState {
+    /** Being initialized. */
     INIT,
+
+    /** All operations that we depend on are finished. */
     RESOLVED,
+
+    /** Operation is pending waiting for dependencies. */
     PENDING,
+
+    /** Operations successfully installed. */
     INSTALLED,
+
+    /** Operations installation failed. */
     FAILED
 }