diff --git a/docs/index.bs b/docs/index.bs
index 4dfe6089..1f749e41 100644
--- a/docs/index.bs
+++ b/docs/index.bs
@@ -3220,7 +3220,7 @@ spec: storage; urlPrefix: https://storage.spec.whatwg.org/
   <section algorithm>
     <h3 id="parse-urlpattern-algorithm"><dfn>Parse URL Pattern</dfn></h3>
       : Input
-      :: |rawPattern|, a [=string=]
+      :: |rawPattern|, a {{URLPatternCompatible}}
       :: |serviceWorker|, a [=/service worker=]
       : Output
       :: {{URLPattern}}