Fix mullet typo

newguy.html

@@ -80,7 +80,7 @@ input, button { display: inline; }
             <div><input type=radio id=single name=online value=false checked/>
                  <label for=single>Single player</label></div>
             <div><input type=radio id=multiplayer name=online value=true/>
-                 <label for=multiplayer>Mulitplayer</label></div>
+                 <label for=multiplayer>Multiplayer</label></div>
         </fieldset>
       </div>