Coding gudilines for class and methods javadocs fixed.

Change-Id: I0153e6391c9ec9eacaac65c3989834b6bf5c65bf
diff --git a/src/main/java/org/onosproject/yangutils/parser/impl/listeners/BitListener.java b/src/main/java/org/onosproject/yangutils/parser/impl/listeners/BitListener.java
index 7f0a3c3..ddd08f3 100644
--- a/src/main/java/org/onosproject/yangutils/parser/impl/listeners/BitListener.java
+++ b/src/main/java/org/onosproject/yangutils/parser/impl/listeners/BitListener.java
@@ -82,7 +82,7 @@
 import static org.onosproject.yangutils.parser.impl.parserutils.ListenerValidation.checkStackIsNotEmpty;
 
 /**
- * Implements listener based call back function corresponding to the "bit"
+ * Represents listener based call back function corresponding to the "bit"
  * rule defined in ANTLR grammar file for corresponding ABNF rule in RFC 6020.
  */
 public final class BitListener {