Javadoc improvements
diff --git a/core/store/dist/src/main/java/org/onlab/onos/store/service/impl/DatabaseClient.java b/core/store/dist/src/main/java/org/onlab/onos/store/service/impl/DatabaseClient.java
index d07d1d3..8af567e 100644
--- a/core/store/dist/src/main/java/org/onlab/onos/store/service/impl/DatabaseClient.java
+++ b/core/store/dist/src/main/java/org/onlab/onos/store/service/impl/DatabaseClient.java
@@ -15,6 +15,9 @@
 import org.onlab.onos.store.service.ReadRequest;
 import org.onlab.onos.store.service.WriteRequest;
 
+/**
+ * Client for interacting with the Copycat Raft cluster.
+ */
 public class DatabaseClient {
 
     private final ProtocolClient client;