diff --git a/sources/platform/actors/publishing/testing.mdx b/sources/platform/actors/publishing/testing.mdx
index 18e6d3994e..fb9580d44d 100644
--- a/sources/platform/actors/publishing/testing.mdx
+++ b/sources/platform/actors/publishing/testing.mdx
@@ -16,7 +16,7 @@ This helps us to flag Actors that temporarily don't work as expected `under main
 
 ### How we test
 
-The test runs the Actor with its default input (defined by the **prefill** option in the input schema file)
+The test runs the Actor with its default input (defined by the [**prefill**](https://docs.apify.com/platform/actors/development/actor-definition/input-schema/specification/v1#prefill-vs-default-vs-required) option in the input schema file)
 and expects it to finish with a **Succeeded** status and non-empty default dataset within 5 minutes of the beginning of the run.
 
 ![Actor page](./images/actor-test.webp)