Update index.html

index.html

@@ -33,7 +33,7 @@ <h3>Current Game List (will be expanded very soon)</h3>
     <a href="https://ellieeet123.github.io/games/bubble-shooter.html">Bubble Shooter</a>
     <a href="https://ellieeet123.github.io/games/battleships.html">Battleships</a>
     <a href="https://ellieeet123.github.io/games/tanks.html">Tanks</a>
-    <a href="https://ellieeet123.github.io/games/tanktrouble2.html">Tank Trouble 2</a>
+    <a href="https://ellieeet123.github.io/games/TankTrouble2.html">Tank Trouble 2</a>
     <br>
     <h5>If you would like to leave feedback on the site, use the form below or the Github issue tracker. All feedback is appreciated, as clearly there's a lot of
       site development left to do.</h5>