Add TODO memo

Change-Id: I2ae516383b02516b8d36e1f23331f81b57569ac5
diff --git a/core/store/dist/src/main/java/org/onlab/onos/store/intent/impl/DistributedIntentStore.java b/core/store/dist/src/main/java/org/onlab/onos/store/intent/impl/DistributedIntentStore.java
index eb6feb1..366ae3e 100644
--- a/core/store/dist/src/main/java/org/onlab/onos/store/intent/impl/DistributedIntentStore.java
+++ b/core/store/dist/src/main/java/org/onlab/onos/store/intent/impl/DistributedIntentStore.java
@@ -60,6 +60,9 @@
     @Override
     @Activate
     public void activate() {
+        // FIXME: We need a way to add serializer for intents which has been plugged-in.
+        // TODO: As a short term workaround, relax Kryo config to
+        //       registrationRequired=false?
         super.activate();
 
         // TODO: enable near cache, allow read from backup for this IMap