diff --git a/.env.example b/.env.example
index db09bb471f..4fe3ac4886 100644
--- a/.env.example
+++ b/.env.example
@@ -392,6 +392,7 @@ TTS_API_KEY=
 #==================================================#
 # More info: https://www.librechat.ai/docs/configuration/rag_api
 
+# RAG_API_URL=http://rag_api:8000
 # RAG_OPENAI_BASEURL=
 # RAG_OPENAI_API_KEY=
 # RAG_USE_FULL_CONTEXT=