Add indent to comment and remove newline

Author: lukewarlow

source

@@ -53612,9 +53612,8 @@ interface <dfn interface>HTMLButtonElement</dfn> : <span>HTMLElement</span> {
 
      <li><p>If <var>element</var>'s <code data-x="attr-button-type">type</code> attribute is in the
      <span data-x="attr-button-type-auto-state">Auto</span> state, then return.</p></li>
-
      <!-- We do this for compatability and plan to remove this restriction in future, see
-     https://github.com/whatwg/html/issues/10832 -->
+          https://github.com/whatwg/html/issues/10832 -->
     </ol>
    </li>