Update README.md

Author: kelvins

README.md

@@ -3377,7 +3377,7 @@ In order to achieve greater coverage and encourage more people to contribute to
             </td>
         </tr>
         <tr>
-            <td>Queue using Two Stacks</td>
+            <td>Queue using Stacks</td>
             <td> <!-- C -->
                 <a href="./CONTRIBUTING.md">
                     <img align="center" height="25" src="./logos/github.svg" />