Fix javadoc comment, IOException

Change-Id: Ib4a7ffa28af983a9b03739475f05f6c58fb9b93d
diff --git a/utils/yangutils/src/main/java/org/onosproject/yangutils/translator/tojava/utils/JavaFileGeneratorUtils.java b/utils/yangutils/src/main/java/org/onosproject/yangutils/translator/tojava/utils/JavaFileGeneratorUtils.java
index 0b951db..49335a9 100644
--- a/utils/yangutils/src/main/java/org/onosproject/yangutils/translator/tojava/utils/JavaFileGeneratorUtils.java
+++ b/utils/yangutils/src/main/java/org/onosproject/yangutils/translator/tojava/utils/JavaFileGeneratorUtils.java
@@ -475,7 +475,7 @@
      * @param genType generated file type
      * @param javaDocType java doc type
      * @param pluginConfig plugin configurations
-     * @throws IOException
+     * @throws IOException when fails to write into a file
      */
     private static void write(File file, String fileName, int genType, JavaDocType javaDocType,
             YangPluginConfig pluginConfig)