diff --git a/.env.schema b/.env.schema
index 42bb1a2..0183dd4 100644
--- a/.env.schema
+++ b/.env.schema
@@ -10,3 +10,7 @@ OPENAI_API_KEY=
 
 # ... or for accessing prod server via LAN (don't forget to use the IP OAuth app values above!)
 # AUTH_URL=https://<IP>:3000/api/auth
+
+# When deploying to an unknown host
+# See https://authjs.dev/getting-started/deployment#auth_trust_host
+# AUTH_TRUST_HOST=true