update readme

Author: joeeames

README.md

@@ -6,4 +6,4 @@ To get started, clone the repo or download it
 npm install
 npm test
 
-## IMPORTANT: do not try to run this code with "npm run" as it currently doesn't build. This isn't important to the course anyway, so just ignore that. Use "npm test" only.
+## IMPORTANT: do not try to run this code with "npm start" as it currently doesn't build. This isn't important to the course anyway, so just ignore that. Use "npm test" only.