diff --git a/public/openapi/write/admin/activitypub/relays/url.yaml b/public/openapi/write/admin/activitypub/relays/url.yaml
index 81e247274a..4f4b182ffb 100644
--- a/public/openapi/write/admin/activitypub/relays/url.yaml
+++ b/public/openapi/write/admin/activitypub/relays/url.yaml
@@ -9,8 +9,8 @@ delete:
       schema:
         type: string
       required: true
-      description: The relay actor endpoint
-      example: https://example.org/actor
+      description: The relay actor endpoint, URL encoded.
+      example: https%3A%2F%2Fexample.org%2Factor
   responses:
     '200':
       description: rule successfully deleted