diff --git a/.env.example b/.env.example
index cf703e75e..1cf984652 100644
--- a/.env.example
+++ b/.env.example
@@ -62,13 +62,12 @@ MAPLE_ROOT_PASSWORD=change-me
 # Required when MAPLE_AUTH_MODE=self_hosted
 MAPLE_DEFAULT_ORG_ID=default
 
-# Web app overrides (auto-derived from above if not set)
-# When running `bun dev:portless`, VITE_API_BASE_URL / VITE_INGEST_URL /
-# VITE_CHAT_AGENT_URL are auto-set to https://<worktree>-<app>.localhost so
-# multiple worktrees can run side by side. Values set here still win.
-VITE_API_BASE_URL=http://localhost:3472
+# Web app overrides. `bun dev` derives VITE_API_BASE_URL / VITE_INGEST_URL /
+# VITE_ELECTRIC_SYNC_URL from the portless routes (https://[<worktree>.]<app>.localhost).
+# A value set here wins over that, so leave them unset unless an app runs on a raw port.
+# VITE_API_BASE_URL=http://localhost:3472
 # Origin of the standalone ElectricSQL shape-proxy worker (apps/electric-sync).
-VITE_ELECTRIC_SYNC_URL=http://localhost:3476
+# VITE_ELECTRIC_SYNC_URL=http://localhost:3476
 VITE_MAPLE_AUTH_MODE=self_hosted
 VITE_CLERK_SIGN_IN_URL=/sign-in
 VITE_CLERK_SIGN_UP_URL=/sign-up