diff --git a/core/api/src/main/java/org/onlab/onos/store/service/ReadStatus.java b/core/api/src/main/java/org/onlab/onos/store/service/ReadStatus.java
index 72ed356..8d8c6a3 100644
--- a/core/api/src/main/java/org/onlab/onos/store/service/ReadStatus.java
+++ b/core/api/src/main/java/org/onlab/onos/store/service/ReadStatus.java
@@ -1,6 +1,17 @@
 package org.onlab.onos.store.service;
 
+/**
+ * Status of completed read request.
+ */
 public enum ReadStatus {
-    OK,
+
+	/**
+	 * Read completed successfully.
+	 */
+	OK,
+
+    /**
+     * Read failed due to an invalid table name being specified.
+     */
     NO_SUCH_TABLE
 }