diff --git a/docs/running_psalm/issues/PossiblyNullArgument.md b/docs/running_psalm/issues/PossiblyNullArgument.md
index 6e4ec2cd2..5ba4d7372 100644
--- a/docs/running_psalm/issues/PossiblyNullArgument.md
+++ b/docs/running_psalm/issues/PossiblyNullArgument.md
@@ -28,7 +28,7 @@ This fails since it's not guaranteed that subsequent calls to `$cat->getName()`
     }
     unset($catName);
     ```
-* Add [`@psalm-mutation-free`](https://psalm.dev/docs/annotating_code/supported_annotations/#psalm-mutation-free) to the declaration of the function
+* Add [`@psalm-mutation-free`](../../annotating_code/supported_annotations.md#psalm-mutation-free) to the declaration of the function
 
 ### Calling Another Function After `if`