Index: wp-admin/includes/template.php
===================================================================
--- wp-admin/includes/template.php	(revision 38111)
+++ wp-admin/includes/template.php	(working copy)
@@ -462,10 +462,10 @@
 function wp_comment_trashnotice() {
 ?>
 <div class="hidden" id="trash-undo-holder">
-	<div class="trash-undo-inside"><?php printf(__('Comment by %s moved to the trash.'), '<strong></strong>'); ?> <span class="undo untrash"><a href="#"><?php _e('Undo'); ?></a></span></div>
+	<div class="trash-undo-inside"><?php printf(__('Comment by %s moved to the trash.')); ?> <span class="undo untrash"><a href="#"><?php _e('Undo'); ?></a></span></div>
 </div>
 <div class="hidden" id="spam-undo-holder">
-	<div class="spam-undo-inside"><?php printf(__('Comment by %s marked as spam.'), '<strong></strong>'); ?> <span class="undo unspam"><a href="#"><?php _e('Undo'); ?></a></span></div>
+	<div class="spam-undo-inside"><?php printf(__('Comment by %s marked as spam.')); ?> <span class="undo unspam"><a href="#"><?php _e('Undo'); ?></a></span></div>
 </div>
 <?php
 }
@@ -1477,7 +1477,7 @@
 		$css_id = 'setting-error-' . $details['code'];
 		$css_class = $details['type'] . ' settings-error notice is-dismissible';
 		$output .= "<div id='$css_id' class='$css_class'> \n";
-		$output .= "<p><strong>{$details['message']}</strong></p>";
+		$output .= "<p>{$details['message']}</p>";
 		$output .= "</div> \n";
 	}
 	echo $output;