Update README.md

Author: AvinandanBose

README.md

@@ -651,7 +651,7 @@ sequenceDiagram
 <h3> Continuing...: Java TreeSet class implements most of the functions that Hash Set uses as given below: </h3>
 
 <ul>
-<li><h3><a href= "https://github.com/AvinandanBose/JavaCollectionFramework/blob/main/TreeSetDemo.java" > Tree Set Functions-1</a></h3></li>
+<li><h3><a href= "https://github.com/AvinandanBose/JavaCollectionFramework/blob/main/TreeSetDemo.java" > Tree Set Functions-1(From HashSet)</a></h3></li>
 </ul>
 
 <h3> Continuing...: As TreeSet implements Set and Navigable Set interface both , hence it uses both functions of Set as well as NavigableSet. </h3>