diff --git a/README.md b/README.md
index 761a7db..a23809f 100644
--- a/README.md
+++ b/README.md
@@ -21,6 +21,7 @@ After the dev container has installed and files appear in the explorer, you are
 Build the node front end by opening a new terminal with ```Ctrl-Shift-` ```, and running:
 
 ```
+npm install
 npm run dev
 ```