Update index.html

Author: MapMaths

index.html

@@ -17,7 +17,7 @@ <h2>
       </span>
       <span style="background-color: rgb(255, 255, 255);color: rgb(55, 200, 100);text-align: right;letter-spacing: 1.5px;">
         <a href="https://github.com/MapMaths" title="MapMaths">
-          <img class="avatar" href="avatar/mapmaths.png" />
+          <img class="avatar" href="avatars/mapmaths.png" />
         </a>
         <a href="https://github.com/little-earthworm" title="Little-Earthworm">
           <img class="avatar" href="avatars/little-earthworm.jpg" />