Coding gudilines for class and methods javadocs fixed.

Change-Id: I0153e6391c9ec9eacaac65c3989834b6bf5c65bf
diff --git a/utils/yangutils/src/main/java/org/onosproject/yangutils/datamodel/YangReference.java b/utils/yangutils/src/main/java/org/onosproject/yangutils/datamodel/YangReference.java
index 8003f60..44397a3 100644
--- a/utils/yangutils/src/main/java/org/onosproject/yangutils/datamodel/YangReference.java
+++ b/utils/yangutils/src/main/java/org/onosproject/yangutils/datamodel/YangReference.java
@@ -20,17 +20,18 @@
  * parsing and translator processing of reference.
  */
 public interface YangReference {
+
     /**
-     * Get the textual reference.
+     * Returns the textual reference.
      *
-     * @return the reference.
+     * @return the reference
      */
     String getReference();
 
     /**
-     * Set the textual reference.
+     * Sets the textual reference.
      *
-     * @param reference the reference to set.
+     * @param reference the reference to set
      */
     void setReference(String reference);