diff --git a/README.md b/README.md
index b8b2a5d..6245103 100644
--- a/README.md
+++ b/README.md
@@ -67,7 +67,7 @@ gitea-migration/
 ├── runners.conf.example      # Runner definitions template
 ├── lib/common.sh             # Shared functions + .env validators
 ├── setup/
-│   ├── configure_env.sh      # Interactive .env wizard (~65 prompts)
+│   ├── configure_env.sh      # Interactive .env wizard (~63 prompts)
 │   ├── configure_runners.sh  # Interactive runner definition wizard
 │   ├── macbook.sh            # Local prerequisites (brew packages)
 │   ├── unraid.sh             # Remote prerequisites (static binaries)
@@ -236,4 +236,6 @@ cp runners.conf.example runners.conf
 ./run_all.sh
 ```
 
+Internal API URLs are not manually configured: scripts derive `GITEA_INTERNAL_URL` from `UNRAID_GITEA_IP` and `GITEA_BACKUP_INTERNAL_URL` from `FEDORA_GITEA_IP`.
+
 See [USAGE_GUIDE.md](USAGE_GUIDE.md) for the full walkthrough, edge cases, and rollback procedures.