diff --git a/docs/docs/customization.md b/docs/docs/customization.md
index d9bcd89b..96b5e4ea 100644
--- a/docs/docs/customization.md
+++ b/docs/docs/customization.md
@@ -40,7 +40,7 @@ If you need to, a review of [Learn The Basics Of Git In Under 10 Minutes](https:
 :::
 
 :::note
-It is also possible to build firmware locally on your computer by following the [toolchain setup](development/setup) and
+It is also possible to build firmware locally on your computer by following the [toolchain setup](development/setup/index.md) and
 [building instructions](development/build-flash.mdx), which includes pointers to
 [building using your `zmk-config` folder](development/build-flash.mdx#building-from-zmk-config-folder).
 :::