diff --git a/index.bs b/index.bs
index cc1c5d84..18af8f15 100644
--- a/index.bs
+++ b/index.bs
@@ -344,7 +344,7 @@ spec: HEADER-STRUCTURE; urlPrefix: https://httpwg.org/http-extensions/draft-ietf
1. Otherwise, [=set/for each=] permissions-source-expression |item| in the allowlist:
- 1. If the result of running [=Does url match expression in origin with redirect count?=]
+ 1. If the result of running [=Does |url| match |expression| in |origin| with |redirect count|?=]
on origin, |item|, origin, and 0 is true then return true.
1. Return false.