toString() Javadoc.

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/codec/trunk@801490 13f79535-47bb-0310-9956-ffa450edef68

Author: garydgregory

src/java/org/apache/commons/codec/binary/Hex.java

@@ -297,6 +297,8 @@ private void setCharsetName(String charsetName) {
 
     /**
      * Returns a string representation of the object, which includes the charset name.
+     * 
+     * @return a string representation of the object.
      */
     public String toString() {
         return super.toString() + "[charsetName=" + this.charsetName + "]";