diff --git a/docs/API.md b/docs/API.md
index 3710e582f..318e7a1dd 100644
--- a/docs/API.md
+++ b/docs/API.md
@@ -178,10 +178,11 @@ curl -X POST \
       "content_type": "image/png"
     }
   }' \
-  https://app.fizzy.do/rails/active_storage/direct_uploads
+  https://app.fizzy.do/123456/rails/active_storage/direct_uploads
 ```
 
 The `checksum` is a Base64-encoded MD5 hash of the file content.
+The direct upload endpoint is scoped to your account (replace `/123456` with your account slug).
 
 __Response:__