diff --git a/phpBB/docs/CHANGELOG.html b/phpBB/docs/CHANGELOG.html
index c244bc74cc..1c958e2594 100644
--- a/phpBB/docs/CHANGELOG.html
+++ b/phpBB/docs/CHANGELOG.html
@@ -101,7 +101,7 @@
 		<li>[Fix] Changed the success message when requesting a new password to be more accurate. (Bug #41405)</li>
 		<li>[Fix] Add missing anti-abuse email headers to acp_inactive.php and ucp_resend.php.</li>
 		<li>[Fix] Only remind users in the correct inactive states depending on the board account activation level.</li>
-		<li>[Fix] Various XHTML mistakes in prosilver and ACP. (Bugs #41745, #42265 - Patch by nickvergessen)</li>
+		<li>[Fix] Various XHTML mistakes in prosilver, subsilver2 and the ACP. (Bugs #41745, #42265 - Patch by nickvergessen, #38465)</li>
 		<li>[Fix] Log password changes via password reset function. (Bug #41365)</li>
 		<li>[Fix] Poll, negative durations generate error (Bug #41295 - Patch by TerraFrost)</li>
 		<li>[Fix] Visibility of custom field on registration is incorrectly controlled by setting "display" (Bug #41385 - Patch by Eelke)</li>
diff --git a/phpBB/styles/prosilver/template/posting_editor.html b/phpBB/styles/prosilver/template/posting_editor.html
index f255862430..2820d57364 100644
--- a/phpBB/styles/prosilver/template/posting_editor.html
+++ b/phpBB/styles/prosilver/template/posting_editor.html
@@ -61,7 +61,7 @@
 		<!-- IF S_GROUP_OPTIONS -->
 			<div class="column2">
 				<dl>
-					<dd><label for="group_list">{L_USERGROUPS}:</label> <select name="group_list[]" id="group_list "multiple="true" size="4" class="inputbox">{S_GROUP_OPTIONS}</select></dd>
+					<dd><label for="group_list">{L_USERGROUPS}:</label> <select name="group_list[]" id="group_list "multiple="multiple" size="4" class="inputbox">{S_GROUP_OPTIONS}</select></dd>
 				</dl>
 			</div>
 		<!-- ENDIF -->
diff --git a/phpBB/styles/subsilver2/template/ucp_header.html b/phpBB/styles/subsilver2/template/ucp_header.html
index d330918270..ea64dcb299 100644
--- a/phpBB/styles/subsilver2/template/ucp_header.html
+++ b/phpBB/styles/subsilver2/template/ucp_header.html
@@ -36,7 +36,7 @@
 			<td class="row1"><b class="genmed">{L_USERGROUPS}:</b></td>
 		</tr>
 		<tr>
-			<td class="row2"><select name="group_list[]" multiple="true" size="5" style="width:150px">{S_GROUP_OPTIONS}</select></td>
+			<td class="row2"><select name="group_list[]" multiple="multiple" size="5" style="width:150px">{S_GROUP_OPTIONS}</select></td>
 		</tr>
 	<!-- ENDIF -->
 	<!-- IF S_ALLOW_MASS_PM -->