diff --git a/core/store/src/main/java/org/onlab/onos/store/link/impl/package-info.java b/core/store/src/main/java/org/onlab/onos/store/link/impl/package-info.java
new file mode 100644
index 0000000..53b6f33
--- /dev/null
+++ b/core/store/src/main/java/org/onlab/onos/store/link/impl/package-info.java
@@ -0,0 +1,4 @@
+/**
+ * Implementation of link store using Hazelcast distributed structures.
+ */
+package org.onlab.onos.store.link.impl;