diff --git a/index.html b/index.html
index 29c8c01dc..8901f74cd 100644
--- a/index.html
+++ b/index.html
@@ -3557,7 +3557,7 @@ <h2>Definition of Roles</h2>
 						<td class="role-mustcontain">
 							<ul>
 								<li><rref>row</rref></li>
-								<li><rref>rowgroup</rref> <abbr title="containing" class="symbol">→</abbr> <rref>row</rref></li>
+								<li><rref>rowgroup</rref> containing <rref>row</rref></li>
 							</ul>
 						</td>
 					</tr>
@@ -4624,7 +4624,7 @@ <h2>Definition of Roles</h2>
 						<th class="role-mustcontain-head" scope="row">Required Owned Elements:</th>
 						<td class="role-mustcontain">
 							<ul>
-								<li><rref>group</rref> <abbr title="containing" class="symbol">→</abbr> <rref>option</rref></li>
+								<li><rref>group</rref> containing <rref>option</rref></li>
 								<li><rref>option</rref></li>
 							</ul>
 						</td>
@@ -5380,9 +5380,9 @@ <h4>Plain HTML or Polyfill DOM Result of the MathML Quadratic Formula</h4>
 						<td class="role-mustcontain">
 							<ul>
 								<!-- keep in sync with #menubar -->
-								<li><rref>group</rref> <abbr title="containing" class="symbol">→</abbr> <rref>menuitem</rref></li>
-								<li><rref>group</rref> <abbr title="containing" class="symbol">→</abbr> <rref>menuitemradio</rref></li>
-								<li><rref>group</rref> <abbr title="containing" class="symbol">→</abbr> <rref>menuitemcheckbox</rref></li>
+								<li><rref>group</rref> containing <rref>menuitem</rref></li>
+								<li><rref>group</rref> containing <rref>menuitemradio</rref></li>
+								<li><rref>group</rref> containing <rref>menuitemcheckbox</rref></li>
 								<li><rref>menuitem</rref></li>
 								<li><rref>menuitemcheckbox</rref></li>
 								<li><rref>menuitemradio</rref></li>
@@ -5474,9 +5474,9 @@ <h4>Plain HTML or Polyfill DOM Result of the MathML Quadratic Formula</h4>
 						<td class="role-mustcontain">
 							<ul>
 								<!-- keep in sync with #menu -->
-								<li><rref>group</rref> <abbr title="containing" class="symbol">→</abbr> <rref>menuitem</rref></li>
-								<li><rref>group</rref> <abbr title="containing" class="symbol">→</abbr> <rref>menuitemradio</rref></li>
-								<li><rref>group</rref> <abbr title="containing" class="symbol">→</abbr> <rref>menuitemcheckbox</rref></li>
+								<li><rref>group</rref> containing <rref>menuitem</rref></li>
+								<li><rref>group</rref> containing <rref>menuitemradio</rref></li>
+								<li><rref>group</rref> containing <rref>menuitemcheckbox</rref></li>
 								<li><rref>menuitem</rref></li>
 								<li><rref>menuitemcheckbox</rref></li>
 								<li><rref>menuitemradio</rref></li>
@@ -5573,8 +5573,8 @@ <h4>Plain HTML or Polyfill DOM Result of the MathML Quadratic Formula</h4>
 							<ul>
 								<li><rref>menu</rref></li>
 								<li><rref>menubar</rref></li>
-								<li><rref>group</rref> <abbr title="contained by" class="symbol">←</abbr> <rref>menu</rref></li>
-								<li><rref>group</rref> <abbr title="contained by" class="symbol">←</abbr> <rref>menubar</rref></li>
+								<li><rref>group</rref> contained by <rref>menu</rref></li>
+								<li><rref>group</rref> contained by <rref>menubar</rref></li>
 							</ul>
 						</td>
 					</tr>
@@ -5676,8 +5676,8 @@ <h4>Plain HTML or Polyfill DOM Result of the MathML Quadratic Formula</h4>
 							<ul>
 								<li><rref>menu</rref></li>
 								<li><rref>menubar</rref></li>
-								<li><rref>group</rref> <abbr title="contained by" class="symbol">←</abbr> <rref>menu</rref></li>
-								<li><rref>group</rref> <abbr title="contained by" class="symbol">←</abbr> <rref>menubar</rref></li>
+								<li><rref>group</rref> contained by <rref>menu</rref></li>
+								<li><rref>group</rref> contained by <rref>menubar</rref></li>
 							</ul>
 						</td>
 					</tr>
@@ -5777,8 +5777,8 @@ <h4>Plain HTML or Polyfill DOM Result of the MathML Quadratic Formula</h4>
 							<ul>
 								<li><rref>menu</rref></li>
 								<li><rref>menubar</rref></li>
-								<li><rref>group</rref> <abbr title="contained by" class="symbol">←</abbr> <rref>menu</rref></li>
-								<li><rref>group</rref> <abbr title="contained by" class="symbol">←</abbr> <rref>menubar</rref></li>
+								<li><rref>group</rref> contained by <rref>menu</rref></li>
+								<li><rref>group</rref> contained by <rref>menubar</rref></li>
 							</ul>
 						</td>
 					</tr>
@@ -6056,7 +6056,7 @@ <h5>Note regarding the ARIA 1.1 <code>none</code> role.</h5>
 						<td class="role-scope">
 							<ul>
 								<li><rref>listbox</rref></li>
-								<li><rref>group</rref> <abbr title="contained by" class="symbol">←</abbr> <rref>listbox</rref></li>
+								<li><rref>group</rref> contained by <rref>listbox</rref></li>
 							</ul>
 						</td>
 					</tr>
@@ -7010,9 +7010,9 @@ <h5>Note regarding the ARIA 1.1 <rref>none</rref> role.</h5>
 								<li><rref>grid</rref></li>
 								<li><rref>table</rref></li>
 								<li><rref>treegrid</rref></li>
-								<li><rref>rowgroup</rref> <abbr title="contained by" class="symbol">←</abbr> <rref>grid</rref></li>
-								<li><rref>rowgroup</rref> <abbr title="contained by" class="symbol">←</abbr> <rref>table</rref></li>
-								<li><rref>rowgroup</rref> <abbr title="contained by" class="symbol">←</abbr> <rref>treegrid</rref></li>
+								<li><rref>rowgroup</rref> contained by <rref>grid</rref></li>
+								<li><rref>rowgroup</rref> contained by <rref>table</rref></li>
+								<li><rref>rowgroup</rref> contained by <rref>treegrid</rref></li>
 							</ul>
 						</td>
 					</tr>
@@ -8850,7 +8850,7 @@ <h5>Note regarding the ARIA 1.1 <rref>none</rref> role.</h5>
 						<td class="role-mustcontain">
 							<ul>
 								<li><rref>row</rref></li>
-								<li><rref>rowgroup</rref> <abbr title="containing" class="symbol">→</abbr> <rref>row</rref></li>
+								<li><rref>rowgroup</rref> containing <rref>row</rref></li>
 							</ul>
 						</td>
 					</tr>
@@ -9764,7 +9764,7 @@ <h5>Note regarding the ARIA 1.1 <rref>none</rref> role.</h5>
 						<th class="role-mustcontain-head" scope="row">Required Owned Elements:</th>
 						<td class="role-mustcontain">
 							<ul>
-								<li><rref>group</rref> <abbr title="containing" class="symbol">→</abbr> <rref>treeitem</rref></li>
+								<li><rref>group</rref> containing <rref>treeitem</rref></li>
 								<li><rref>treeitem</rref></li>
 							</ul>
 						</td>
@@ -9868,7 +9868,7 @@ <h5>Note regarding the ARIA 1.1 <rref>none</rref> role.</h5>
 						<td class="role-mustcontain">
 							<ul>
 								<li><rref>row</rref></li>
-								<li><rref>rowgroup</rref> <abbr title="containing" class="symbol">→</abbr> <rref>row</rref></li>
+								<li><rref>rowgroup</rref> containing <rref>row</rref></li>
 							</ul>
 						</td>
 					</tr>
@@ -9972,7 +9972,7 @@ <h5>Note regarding the ARIA 1.1 <rref>none</rref> role.</h5>
 						<td class="role-scope">
 							<ul>
 								<li><rref>tree</rref></li>
-								<li><rref>group</rref> <abbr title="contained by" class="symbol">←</abbr> <rref>treeitem</rref></li>
+								<li><rref>group</rref> contained by <rref>treeitem</rref></li>
 							</ul>
 						</td>
 					</tr>