Fix Javadoc warnings
Change-Id: Icf8b6b6f77ea80d3975aa975226a178145067adf
diff --git a/apps/optical-model/src/main/java/org/onosproject/net/optical/device/OmsPortHelper.java b/apps/optical-model/src/main/java/org/onosproject/net/optical/device/OmsPortHelper.java
index f0d878d..2d83aa2 100644
--- a/apps/optical-model/src/main/java/org/onosproject/net/optical/device/OmsPortHelper.java
+++ b/apps/optical-model/src/main/java/org/onosproject/net/optical/device/OmsPortHelper.java
@@ -66,6 +66,7 @@
* @param maxFrequency maximum frequency
* @param grid grid spacing frequency
* @param annotations key/value annotations map
+ * @return port description
*/
public static PortDescription omsPortDescription(PortNumber number,
boolean isEnabled,
@@ -93,6 +94,7 @@
* @param minFrequency minimum frequency
* @param maxFrequency maximum frequency
* @param grid grid spacing frequency
+ * @return port description
*/
public static PortDescription omsPortDescription(PortNumber number,
boolean isEnabled,
@@ -110,6 +112,7 @@
* @param maxFrequency maximum frequency
* @param grid grid spacing frequency
* @param annotations key/value annotations map
+ * @return port description
*/
public static PortDescription omsPortDescription(PortDescription base,
Frequency minFrequency,