Update index.html

index.html

@@ -112,7 +112,7 @@ background-size: 100% 100%;
 </div>
 <a href="tictactoe.html">tic tac</a><br>
 <a href="form.html">form</a><br>
-<a href="solar.html">solar system</a><br>
+<a href="mysolarsystem.html">solar system</a><br>
 <a href="cal.html">calculator</a><br>
 <a href="rectangle.html">rectangle</a><br>
 </body>