diff --git a/docs/frontend-system/architecture/03-extensions.md b/docs/frontend-system/architecture/03-extensions.md
index cdee6acb2a..82375eae3b 100644
--- a/docs/frontend-system/architecture/03-extensions.md
+++ b/docs/frontend-system/architecture/03-extensions.md
@@ -135,7 +135,7 @@ const extension = createExtension({
 
 We provide default `coreExtensionData`, which provides commonly used `ExtensionDataRef`s - e.g. for `React.JSX.Element` and `RouteRef`. They can be used when creating your own extension. For example, the React Element extension data that we defined above is already provided as `coreExtensionData.reactElement`.
 
-For a full list and explanations of all types of core extension data, see the [core extension data reference](../building-plugins/04-built-in-data-refs.md). -->
+For a full list and explanations of all types of core extension data, see the [core extension data reference](../building-plugins/04-built-in-data-refs.md).
 
 ### Optional Extension Data