Adding description to param in AlarmsWebResource

This should fix the stacktrace in the build.

Change-Id: I7d2796ecb435c30c227e013a6d93ae8accdf7e06
diff --git a/apps/faultmanagement/fmweb/src/main/java/org/onosproject/faultmanagement/web/AlarmsWebResource.java b/apps/faultmanagement/fmweb/src/main/java/org/onosproject/faultmanagement/web/AlarmsWebResource.java
index 56c891c..c0b3d9b 100644
--- a/apps/faultmanagement/fmweb/src/main/java/org/onosproject/faultmanagement/web/AlarmsWebResource.java
+++ b/apps/faultmanagement/fmweb/src/main/java/org/onosproject/faultmanagement/web/AlarmsWebResource.java
@@ -103,7 +103,7 @@
      * Update book-keeping fields on the alarm. Returns an up-to-date version of the alarm. Some of its fields may have
      * been updated since the REST client last retrieved the alarm being updated.
      *
-     * @param alarmIdPath
+     * @param alarmIdPath alarm id path
      * @param stream input JSON
      * @return updated JSON encoded alarm
      */