diff --git a/docs/usage/configuration-options.md b/docs/usage/configuration-options.md
index 43b4ab600985336ba83a4d380db24ea4b7ea4839..29008604de328b03ffb620b2d923fe1e516b594e 100644
--- a/docs/usage/configuration-options.md
+++ b/docs/usage/configuration-options.md
@@ -3022,7 +3022,7 @@ We recommend you use only one of these methods, or you'll get confused.
 We recommend that you also tell Renovate what `versioning` to use.
 If the `versioning` field is missing, then Renovate defaults to using `semver` versioning.
 
-For more details and examples, see our [documentation for the `regex` manager](/modules/manager/regex/).
+For more details and examples, see our [documentation for the `regex` manager](/modules/manager/regex/index.md).
 For template fields, use the triple brace `{{{ }}}` notation to avoid Handlebars escaping any special characters.
 
 <!-- prettier-ignore -->