diff --git a/index.html b/index.html
index 73f45be7e..4b1727d1d 100644
--- a/index.html
+++ b/index.html
@@ -16012,11 +16012,14 @@ <h2>Definitions of States and Properties (all aria-* attributes)</h2>
         <div class="property" id="aria-valuetext">
           <pdef>aria-valuetext</pdef>
           <div class="property-description">
-            <p><a>Defines</a> the human readable text alternative of <pref>aria-valuenow</pref> for a range <a>widget</a>.</p>
+            <p>
+              <a>Defines</a> the human readable text alternative of <pref>aria-valuenow</pref> for a range <a>widget</a>, or a text alternative for the value of custom <abbr>ARIA</abbr> or native
+              widgets that support the attribute.
+            </p>
             <p>This property is used, for example, on a range widget such as a slider or progress bar.</p>
             <p>
-              If the <pref>aria-valuetext</pref> attribute is set, authors SHOULD also set the <pref>aria-valuenow</pref> attribute, unless that value is unknown (for example, on an indeterminate
-              <rref>progressbar</rref>).
+              If the <pref>aria-valuetext</pref> attribute is set on a range <a>widget</a>, authors SHOULD also set the <pref>aria-valuenow</pref> attribute, unless that value is unknown (for example,
+              on an indeterminate <rref>progressbar</rref>).
             </p>
             <p>
               Authors SHOULD only set the <pref>aria-valuetext</pref> attribute when the rendered value cannot be meaningfully represented as a number. For example, a slider might have rendered values