fix ci/cd №2

README.md

@@ -108,6 +108,8 @@ Each store is optional: deployment runs only when its full set of credentials is
 
 The stores must already contain their initial listings and required privacy information. Store review still applies; the workflow submits the update and does not bypass review. Never commit any of these credentials.
 
+The Firefox workflow passes [`amo-metadata.json`](amo-metadata.json) to AMO. It contains the required custom license, category, and listing summary for a listed submission. Update the copyright/license text if the project is distributed under a different license.
+
 To remove generated packages:
 
 ```sh