Update README.md

Author: AvinandanBose

README.md

@@ -1628,25 +1628,26 @@ Creates an empty enum set with the specified element type.
 
 <tr>
 
-  <td > headSet</td> 
+  <td >last</td> 
 
 </tr>
 
+
 <tr>
 
-  <td > higher</td> 
+  <td > headSet</td> 
 
 </tr>
 
 <tr>
 
-  <td > isEmpty</td> 
+  <td > tailSet</td> 
 
 </tr>
 
 <tr>
 
-  <td >last</td> 
+  <td > higher</td> 
 
 </tr>
 
@@ -1700,10 +1701,9 @@ Creates an empty enum set with the specified element type.
 
 <tr>
 
-  <td > tailSet</td> 
+  <td > isEmpty</td> 
 
 </tr>
-   
 
 </table>