diff --git a/.env.example b/.env.example
index dce98eb30..6ce9411f6 100644
--- a/.env.example
+++ b/.env.example
@@ -99,5 +99,6 @@ LANGFLOW_STORE_ENVIRONMENT_VARIABLES=
 #
 # LANGFLOW_LIKE_WEBHOOK_URL=
 
+# Value must finish with slash /
 #BACKEND_URL=http://localhost:7860/
 BACKEND_URL=
\ No newline at end of file