diff --git a/.env.example b/.env.example
index b1be8d4be..268a453a1 100644
--- a/.env.example
+++ b/.env.example
@@ -6,9 +6,9 @@ FLOWER_PORT=5555
 
 # Frontend Configuration
 FRONTEND_PORT=3000
-NEXT_PUBLIC_FASTAPI_BACKEND_URL=http://localhost:8000
-NEXT_PUBLIC_FASTAPI_BACKEND_AUTH_TYPE=LOCAL
-NEXT_PUBLIC_ETL_SERVICE=DOCLING
+NEXT_PUBLIC_FASTAPI_BACKEND_URL=http://localhost:8000 (Default: http://localhost:8000)
+NEXT_PUBLIC_FASTAPI_BACKEND_AUTH_TYPE=LOCAL or GOOGLE (Default: LOCAL)
+NEXT_PUBLIC_ETL_SERVICE=UNSTRUCTURED or LLAMACLOUD or DOCLING (Default: DOCLING)
 NEXT_PUBLIC_ELECTRIC_URL=http://localhost:5133
 
 # Backend Configuration