revise text to match other pr

i have this other PR #2395 which is trying to make the language between the element naming steps consistent.  pulling over the text from that to reduce text conflicts

Author: scottaohara

html-aam/index.html

@@ -16353,11 +16353,17 @@ <h4>
               <a href="" class="accname">Accessible Name and Description: Computation and API Mappings</a>.
             </li>
             <li>
-              If the <a data-cite="accname-1.2/#dfn-accessible-name">accessible name</a> is still empty: use the value of the associated `label` element or elements
-              <a data-cite="accname-1.2/#dfn-accessible-name">accessible name(s)</a> - if more than one `label` element is associated; concatenate by DOM order, delimited by spaces.
+              If the <a data-cite="accname-1.2/#dfn-accessible-name">accessible name</a> is still empty: use the 
+              <a data-cite="accname-1.2/#mapping_additional_nd_te">text equivalent computation</a> of the associated `label` element's subtree - if more than one `label` 
+              is associated; concatenate their subtrees by DOM order, delimited by spaces.
+              <p>
+                If the control is encapsulated by its `label` element, exclude the control's author specified or user-entered value from its computed
+                <a data-cite="accname-1.2/#dfn-accessible-name">accessible name</a>.
+              </p>
             </li>
-            <li>If no associated `label` is specified: use the control's `title` attribute.</li>
-            <li>If a `title` attribute provides no accessible name: use the value of the element's <a href="#att-placeholder">placeholder</a> attribute.</li>
+            <li>If the <a data-cite="accname-1.2/#dfn-accessible-name">accessible name</a> is still empty: use the value of the control's `title` attribute.</li>
+            <li>If the <a data-cite="accname-1.2/#dfn-accessible-name">accessible name</a> is still empty: use the value of the control's 
+              <a href="#att-placeholder">placeholder</a> attribute.</li>
             <li>Otherwise, use the value of the element's <a data-cite="wai-aria-1.2/#aria-placeholder">`aria-placeholder`</a> attribute.</li>
             <li>If none of the above yield a usable text string there is no <a data-cite="accname-1.2/#dfn-accessible-name">accessible name</a>.</li>
           </ol>