Coding gudilines for class and methods javadocs fixed.

Change-Id: I0153e6391c9ec9eacaac65c3989834b6bf5c65bf
diff --git a/src/main/java/org/onosproject/yangutils/parser/impl/listeners/EnumerationListener.java b/src/main/java/org/onosproject/yangutils/parser/impl/listeners/EnumerationListener.java
index 2ce05c4..9bca04d 100644
--- a/src/main/java/org/onosproject/yangutils/parser/impl/listeners/EnumerationListener.java
+++ b/src/main/java/org/onosproject/yangutils/parser/impl/listeners/EnumerationListener.java
@@ -62,7 +62,7 @@
 import static org.onosproject.yangutils.utils.YangConstructType.TYPE_DATA;
 
 /**
- * Implements listener based call back function corresponding to the
+ * Represents listener based call back function corresponding to the
  * "enumeration" rule defined in ANTLR grammar file for corresponding ABNF rule
  * in RFC 6020.
  */