diff --git a/docs/_includes/matrix.html b/docs/_includes/matrix.html
index 88c09e89a..e6fe52c01 100644
--- a/docs/_includes/matrix.html
+++ b/docs/_includes/matrix.html
@@ -146,7 +146,9 @@
 			<i class="fa fa-check text-success" aria-hidden="true"></i>
 		</td>
 		<td><i class="fa fa-minus dim"></i></td>
-		<td><i class="fa fa-minus dim"></i></td>
+		<td class="danger" data-toggle="tooltip" data-container="body" data-placement="top" title="R53 does not provide a generic ALIAS functionality. They do have &#39;ALIAS&#39; CNAME types to point at various AWS infrastructure, but dnscontrol has not implemented those.">
+			<i class="fa has-tooltip fa-times text-danger" aria-hidden="true"></i>
+		</td>
 		</tr>
 	<tr>
 		<th class="row-header" style="text-decoration: underline;" data-toggle="tooltip" data-container="body" data-placement="top" title="Driver has explicitly implemented SRV record management">SRV</th>