Update src/content/docs/en/guides/upgrade-to/v6.mdx

Author: florian-lefebvre

src/content/docs/en/guides/upgrade-to/v6.mdx

@@ -389,7 +389,7 @@ Note that `entrypointResolution: "explicit"` (maintaining v5 API behavior) is co
 
 #### What should I do?
 
-If you are an adapter author with a public repository and [include the `astro-adapter` keyword in your `package.json`](https://docs.astro.build/en/reference/publish-to-npm/#categories), the Astro core team will attempt to make a PR to your repository directly to help you migrate your code if you have not yet followed the steps below.
+If you are an adapter author with a public repository and [include the `astro-adapter` keyword in your `package.json`](/en/reference/publish-to-npm/#categories), the Astro core team will attempt to make a PR to your repository directly to help you migrate your code if you have not yet followed the steps below.
 
 If you are seeing warnings because you are using a community adapter that is not yet updated, please reach out to the adapter author directly to let them know. It is ultimately their responsibility to update their adapters. You can also let the Astro core team know in the [`#integrations` channel of our Discord](https://astro.build/chat) and we will attempt to help the adapter author upgrade.