diff --git a/src/main/java/org/opencord/cordvtn/api/core/ServiceNetworkStore.java b/src/main/java/org/opencord/cordvtn/api/core/ServiceNetworkStore.java
index 6b68a6b..341f3c2 100644
--- a/src/main/java/org/opencord/cordvtn/api/core/ServiceNetworkStore.java
+++ b/src/main/java/org/opencord/cordvtn/api/core/ServiceNetworkStore.java
@@ -103,6 +103,7 @@
      * Removes service port.
      *
      * @param portId port id
+     * @return service port removed
      */
     ServicePort removeServicePort(PortId portId);
 }
diff --git a/src/main/java/org/opencord/cordvtn/api/node/CordVtnNodeState.java b/src/main/java/org/opencord/cordvtn/api/node/CordVtnNodeState.java
index 9d8f196..aaa3f8d 100644
--- a/src/main/java/org/opencord/cordvtn/api/node/CordVtnNodeState.java
+++ b/src/main/java/org/opencord/cordvtn/api/node/CordVtnNodeState.java
@@ -76,6 +76,7 @@
 
     /**
      * Returns the next node state.
+     * @return next node state
      */
     public abstract CordVtnNodeState nextState();
 }
diff --git a/src/main/java/org/opencord/cordvtn/rest/ServicePortWebResource.java b/src/main/java/org/opencord/cordvtn/rest/ServicePortWebResource.java
index 88cc665..dfdefad 100644
--- a/src/main/java/org/opencord/cordvtn/rest/ServicePortWebResource.java
+++ b/src/main/java/org/opencord/cordvtn/rest/ServicePortWebResource.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2016-present Open Porting Laboratory
+ * Copyright 2016-present Open Networking Foundation
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.