diff --git a/apps/ns/README.md b/apps/ns/README.md
index 6df9afe..6aa2f8e 100644
--- a/apps/ns/README.md
+++ b/apps/ns/README.md
@@ -8,10 +8,10 @@ Notifications, …).
 
 Each host is built at runtime from the `DOMAIN` var (the base domain) plus the
 service → subdomain map in `src/endpoints.ts`. `DOMAIN` is injected at deploy
-time from the repo-root `env.json` (see `run-wrangler-deploy`) and defaults to
+time from `RECFLARE_DOMAIN` (see `run-wrangler-deploy`) and defaults to
 `rec.example.com` in `wrangler.jsonc` for local dev.
 
 ## Updating endpoints
 
-- To change the base domain, edit `domain` in `env.json` and redeploy.
+- To change the base domain, set `RECFLARE_DOMAIN` (in `.env`) and redeploy.
 - To add or rename a service host, edit the map in `src/endpoints.ts`.