Update html-aam/index.html

Author: scottaohara

html-aam/index.html

@@ -862,7 +862,7 @@ <h4 id="el-autonomous-custom-element">
                 <ul>
                   <li>If the author assigned a conforming role using the `role` attribute, or by the custom element's internals: map to the specified role.</li>
                   <li>else if the author assigned HTML attributes that result in a <a>minimum role</a>:  map to the minimum role.</li>
-                  <li>else if the custom element is focusable: map to the <a class="core-mapping" href="#role-map-generic">`group`</a> role</li>
+                  <li>else if the custom element is focusable: map to the <a class="core-mapping" href="#role-map-group">`group`</a> role</li>
                   <li>else if an author specifies a global ARIA attribute on the custom element that creates a relation with another element: map to the <a class="core-mapping" href="#role-map-group">`group`</a> role</li>
                   <li>else if the custom element has no attached shadow root: map to the <a class="core-mapping" href="#role-map-generic">`generic`</a> role</li>
                   <li>else if the custom element has an `aria-live` attribute: map to the <a class="core-mapping" href="#role-map-generic">`generic`</a> role</li>