diff --git a/README.md b/README.md
index 6bf4f405..55ac333d 100644
--- a/README.md
+++ b/README.md
@@ -9,7 +9,7 @@ cd path/to/impresso-middle-layer && npm install
 # Watch and compile/copy files in one terminal:
 npm run watch
 
-# Run the app in another terminal:
+# Run the frontend app in another terminal with the following env variables:
 make run-dev
 # or
 VUE_APP_MIDDLELAYER_API_PATH=/ VUE_APP_MIDDLELAYER_API=http://localhost:3030 VUE_APP_MIDDLELAYER_API_SOCKET_PATH=/socket.io make run-dev