work around npm/cli#7375

Author: ersimont

README.md

@@ -30,4 +30,4 @@ The branch names reveal which options were used to generate them. The options ar
 1. Start from `master`
 1. Ensure you have opted out analytics by running `ng analytics off`
 1. If you want to know the latest version: `npm view @angular/cli version`
-1. `npm run gen -- X.X.X [-eslint] [-fire] [-lib] [-mat] [-noApp] [-pwa] [-route] [-subApp] [-worker]`
+1. `npm.cmd run gen -- X.X.X [-eslint] [-fire] [-lib] [-mat] [-noApp] [-pwa] [-route] [-subApp] [-worker]`