diff --git a/lib/manager/terragrunt/readme.md b/lib/manager/terragrunt/readme.md
index 9eabe6bea003408c3ac240ccdaff6329d18cd434..5f5f9cded6b2f51a58ed6e3e2eb59b1aa9b47a87 100644
--- a/lib/manager/terragrunt/readme.md
+++ b/lib/manager/terragrunt/readme.md
@@ -1,6 +1,6 @@
 Currently by default, Terragrunt support is limited to Terraform registry sources and GitHub sources that include semver refs, e.g. like `github.com/hashicorp/example?ref=v1.0.0`.
 
-You can create a custom [versioning config](/configuration-options.md#versioning) to support non-semver references.
+You can create a custom [versioning config](/configuration-options/#versioning) to support non-semver references.
 For example, if you want to reference a tag like `module-v1.2.5`, a block like this would work:
 
 ```json