reference name/desc (#507)

Co-authored-by: James Craig <cookiecrook@users.noreply.github.com>

index.html

@@ -16308,6 +16308,10 @@ <h4 id=att-wrap>`wrap`</h4>
     <h2>Accessible Name and Description Computation</h2>
     <p>The terms <a data-cite="accname-1.2/#dfn-accessible-name">accessible name</a> and <a data-cite="accname-1.2/#dfn-accessible-description">accessible description</a> are properties provided in all <a class="termref">accessibility APIs</a>. The name of the properties may differ across APIs but they serve the same function: as a container for a short (name) or longer (description) string of text.</p>
     <p>The <a href="#mapping_additional_nd_te" class="accname">text alternative computation</a> is used to generate both the <a data-cite="accname-1.2/#dfn-accessible-name">accessible name</a> and <a data-cite="accname-1.2/#dfn-accessible-description">accessible description</a>. There are different rules provided for several different types of <a class="termref" data-lt="element">elements</a>, <a class="termref" data-lt="node">nodes</a>, and combinations of markup.</p>
+    <p class="note">
+      User Agents notify assistive technology when relevant accessibility information changes, sometimes by destroying and recreating the accessibility object, or sometimes by notifying of changes to the object per the specified 
+      <a data-cite="core-aam-1.2/#event-aria-label">name change event mappings</a> and <a data-cite="core-aam-1.2/#event-aria-describedby">description change event mappings</a>.
+    </p>
     <section id="accname-computation">
       <h3>Accessible Name Computations By HTML Element</h3>
       <section>
@@ -16608,7 +16612,6 @@ <h3>Accessible Description Computation</h3>
     </section>
   </section>
 
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