diff --git a/migration-guides/v4.0.0.md b/migration-guides/v4.0.0.md
index 8d720e0..fed610b 100644
--- a/migration-guides/v4.0.0.md
+++ b/migration-guides/v4.0.0.md
@@ -8,8 +8,8 @@ The only breaking change in this version is that the `endpoint` argument to `bef
 - }
 
 + function before ({ url }) {
-+  return { endpoint: transform(url) }
++  return { url: transform(url) }
 + }
 
 const http = configureHttp({ before })
-```
\ No newline at end of file
+```