Update 01.00-setup.md

Author: xaviervia

responses/01.00-setup.md

@@ -44,7 +44,11 @@ can verify that you have `yarn` installed by running `yarn --version`.
    git checkout setup
    ```
 
-2. Run `yarn` to install all necessary dependencies.
+2. Run `yarn` to install all necessary dependencies:
+   
+   ```
+   yarn
+   ```
 
 > NOTE: installing dependencies sometimes can take a while and sometimes can fail because the internet is not perfect.
 > If you have any trouble, please try again. If it still doesn't work, tweet at us [@SRC_technology](https://twitter.com/SRC_technology) and we'll try to help! 🙏