Fix quickstart guide sample-app reference
@@ -12,7 +12,7 @@ In this tutorial, you will learn how to create an organisation and how to push,
### Clone the sample app
If you just want an application that works use the one inside the
-[sample-app directory](assets/sample-app). You can copy it to your system with
+[sample-app directory](/assets/sample-app). You can copy it to your system with
the following commands:
```bash
