diff --git a/docs/writing-a-profile.md b/docs/writing-a-profile.md
index 1aca3f2e..4e376911 100644
--- a/docs/writing-a-profile.md
+++ b/docs/writing-a-profile.md
@@ -116,7 +116,7 @@ Let's break this down:
 
 todo: `defaultProducts`, `allProducts`, `bitmasks`, add to profile
 
-If you want, you can now **verify that the profile works**; We've prepared [a script](https://runkit.com/derhuerst/hafas-client-profile-example) for that. Alternatively, [submit a Pull Request](https://help.github.com/articles/creating-a-pull-request-from-a-fork/) and we will help you out with testing and improvements.
+If you want, you can now **verify that the profile works**; We've prepared [a script](https://runkit.com/derhuerst/hafas-client-profile-example/0.1.0) for that. Alternatively, [submit a Pull Request](https://help.github.com/articles/creating-a-pull-request-from-a-fork/) and we will help you out with testing and improvements.
 
 ### Finding the right values for the `bitmask` field