diff --git a/memento-note/.env.example b/memento-note/.env.example
index 8c79d57..7da13a3 100644
--- a/memento-note/.env.example
+++ b/memento-note/.env.example
@@ -82,6 +82,9 @@ NEXTAUTH_URL="http://localhost:3000"
 # -----------------------------------------------------------------------------
 # MCP_SERVER_MODE="disabled"
 # MCP_SERVER_URL=""
+# En production derrière un reverse proxy (ex: Nginx Proxy Manager) :
+# MCP_SERVER_URL="https://memento-note.com/mcp"
+# (configurer /mcp → 127.0.0.1:3001 dans le proxy)
 
 # -----------------------------------------------------------------------------
 # BYOK encryption (Story 3.5 — required in production when users save API keys)