Commit changed files and submodule updates

ARIA/apg/about/at-support-tables/at-support-tables.md

@@ -131,10 +131,10 @@ if (enableSidebar) document.body.classList.add('has-sidebar');
       </section>
 
       <section>
-        <h3>Design Around Critical Support Failures</h3>
+        <h3>Design to Mitigate Critical Support Failures</h3>
         <p>
-          Where feasible, avoid implementing features of APG patterns where support for must-have behaviors is less than 100%.
-          If the must-have support level is less than 100% for the example implementation of a pattern, that does not mean all variants of that pattern will present assistive technology users with critical problems.
+          Where feasible, avoid designing experiences that rely on features of APG patterns that have less than 100% support for must-have behaviors.
+          If the must-have support level is less than 100% for the example implementation of a pattern, that does not mean all ways of implementing that pattern will present assistive technology users with critical problems.
           In these cases:
         </p>
         <ol>