Index: src/wp-admin/edit-comments.php
===================================================================
--- src/wp-admin/edit-comments.php	(revision 51451)
+++ src/wp-admin/edit-comments.php	(working copy)
@@ -245,7 +245,7 @@
 	printf(
 		/* translators: %s: Search query. */
 		__( 'Search results for: %s' ),
-		'<strong>' . wp_html_excerpt( esc_html( wp_unslash( $_REQUEST['s'] ) ), 50, '&hellip;' ) . '</strong>'
+		'<strong>' . wp_strip_all_tags( esc_html( stripslashes( $_REQUEST['s'] ) ), true ) . '</strong>'
 	);
 	echo '</span>';
 }