Index: src/wp-admin/edit-comments.php
===================================================================
--- src/wp-admin/edit-comments.php	(revision 37551)
+++ src/wp-admin/edit-comments.php	(working copy)
@@ -195,7 +195,7 @@
 	echo '<span class="subtitle">';
 	/* translators: %s: search keywords */
 	printf( __( 'Search results for &#8220;%s&#8221;' ),
-		wp_html_excerpt( esc_html( wp_unslash( $_REQUEST['s'] ) ), 50, '&hellip;' )
+		wp_strip_all_tags( esc_html( stripslashes( $_REQUEST['s'] ) ), true )
 	);
 	echo '</span>';
 }