diff --git a/index.html b/index.html
index 513043b1..9a1981b7 100644
--- a/index.html
+++ b/index.html
@@ -1395,7 +1395,7 @@ <h3>HTML Element Role Mappings</h3>
               <td class="ax"><div class="general">Use WAI-ARIA mapping</div></td>
               <td class="comments"></td>
             </tr>
-            <tr id="el-header2" tabindex="-1">
+            <tr tabindex="-1" id="el-form-no-accessible-name">
               <th>
                 <a data-cite="HTML">`form`</a> without an <a class="termref">accessible name</a>
               </th>
@@ -1609,7 +1609,7 @@ <h3>HTML Element Role Mappings</h3>
               <td class="ax"><div class="general">Use WAI-ARIA mapping</div></td>
               <td class="comments"></td>
             </tr>
-            <tr tabindex="-1" id="el-img-emptyalt">
+            <tr tabindex="-1" id="el-img-empty-alt">
                 <th><a href="https://www.w3.org/TR/html/semantics-embedded-content.html#the-img-element"><code>img</code></a> <span class="el-context">(<a href="https://www.w3.org/TR/html/semantics-embedded-content.html#element-attrdef-img-alt"><code>alt</code></a> attribute value is an empty string, i.e. <code>alt=""</code> or <code>alt</code> with no value in the markup)</span></th>
                 <td class="aria">
                   <div class="role"><a class="core-mapping" href="#role-map-presentation"><code>presentation</code></a></div>
@@ -2652,7 +2652,7 @@ <h3>HTML Element Role Mappings</h3>
                 <td class="ax"><div class="general">Not mapped</div></td>
                 <td class="comments"></td>
             </tr>
-            <tr id="el-picture" tabindex="-1">
+            <tr tabindex="-1" id="el-picture">
               <th><a data-cite="HTML">`picture`</a></th>
               <td class="aria">No corresponding role</td>
               <td class="ia2"><div class="general">Not mapped</div></td>