Editorial: minor text updates to html aam

this covers some editorial fixes that were originally part of w3c/html-aam#396 - but don't need to be.

Author: scottaohara

html-aam/index.html

@@ -3319,7 +3319,7 @@ <h4 id="el-input-color">`input` <span class="el-context">(`type` attribute in th
               <td>
                 <div class="general">
                   If implemented as a color picker, any UI controls presented for selecting a color are exposed in the <a class="termref">accessibility tree</a>, associated with the `input` element,
-                  and mapped as appropriate for the type of control (e.g. button or slider).
+                  and mapped as appropriate for the type of control (e.g., button or slider).
                 </div>
               </td>
             </tr>
@@ -6642,7 +6642,7 @@ <h4 id="el-style">`style`</h4>
               <td>
                 <div class="general">
                   <b>Note:</b> There are instances where CSS properties can affect what is exposed by accessibility APIs. For instance, `display: none` or `visibility: hidden` will remove an element
-                  from the accessibility tree and hide its presence from assistive technologies.
+                  from the <a class="termref">accessibility tree</a> and hide its presence from assistive technologies.
                 </div>
               </td>
             </tr>
@@ -11712,7 +11712,7 @@ <h4 id="att-label">`label`</h4>
             </tr>
             <tr>
               <th>Comments</th>
-              <td>See Also: <a href="" class="accname">Accessible Name and Description: Computation and API Mappings 1.1</a></td>
+              <td>See Also: <a href="" class="accname">Accessible Name and Description: Computation and API Mappings</a></td>
             </tr>
           </tbody>
         </table>