update comment subject to 1.1

aria-practices.html

@@ -26,7 +26,7 @@
       To comment,
       <a href="https://github.com/w3c/aria-practices/issues/">file an issue in the <abbr title="World Wide Web Consortium">W3C</abbr> aria-practices GitHub repository</a>,
       or if that is not feasible, send email to
-      <a href="mailto:[email protected]?subject=Comment%20on%20WAI-ARIA%20Practices%201.2">[email protected]</a>
+      <a href="mailto:[email protected]?subject=Comment%20on%20WAI-ARIA%20Practices%201.1">[email protected]</a>
       (<a href="http://lists.w3.org/Archives/Public/public-aria/">comment archive</a>).
       In-progress updates to the document may be viewed in the <a href="https://w3c.github.io/aria-practices/">publicly visible editors' draft</a>.
     </p>