diff --git a/core/api/src/main/java/org/onlab/onos/store/StoreDelegate.java b/core/api/src/main/java/org/onlab/onos/store/StoreDelegate.java
index e2c5cd3..c7b0465 100644
--- a/core/api/src/main/java/org/onlab/onos/store/StoreDelegate.java
+++ b/core/api/src/main/java/org/onlab/onos/store/StoreDelegate.java
@@ -8,6 +8,11 @@
  */
 public interface StoreDelegate<E extends Event> {
 
+    /**
+     * Notifies the delegate via the specified event.
+     *
+     * @param event store generated event
+     */
     void notify(E event);
 
 }