diff --git a/src/markdown/tutorial/part-1/01-orientation.md b/src/markdown/tutorial/part-1/01-orientation.md
index 960ff8a..719981f 100644
--- a/src/markdown/tutorial/part-1/01-orientation.md
+++ b/src/markdown/tutorial/part-1/01-orientation.md
@@ -201,6 +201,11 @@ del package.json
 
 ```
 
+```run:command hidden=true cwd=super-rentals
+yarn add -D concurrently
+git add package.json
+```
+
 ```run:command hidden=true cwd=super-rentals
 yarn test
 git add .prettierignore