Changed underscores

Author: GamerPablito

comm_accept.html renamed to comm-accept.html

@@ -105,8 +105,8 @@ <h2>
                 <input type="hidden" name="option_amount2" value="15.00">
                 <input type="hidden" name="option_amount3" value="20.00">
                 <input type="hidden" name="option_amount4" value="50.00">
-                <input type="hidden" name="return" value="https://gamerpablito.github.io/comm_accept.html">
-                <input type="hidden" name="cancel_return" value="https://gamerpablito.github.io/comm_cancel.html">
+                <input type="hidden" name="return" value="https://gamerpablito.github.io/comm-accept.html">
+                <input type="hidden" name="cancel_return" value="https://gamerpablito.github.io/comm-cancel.html">
             </form>
             <br>
             <hr>