diff --git a/user-switching.php b/user-switching.php
index 49eaafe..2e75df8 100644
--- a/user-switching.php
+++ b/user-switching.php
@@ -520,7 +520,7 @@ public function action_admin_notices(): void {
 				], self::switch_back_url( $old_user ) );
 
 				$message .= sprintf(
-					' <a href="%s">%s</a>.',
+					' <a href="%s">%s</a>',
 					esc_url( $switch_back_url ),
 					esc_html( self::switch_back_message( $old_user ) )
 				);