Fix broken link

Author: Ilja

content/en/docs/contribute/new-content/open-a-pr.md

@@ -16,7 +16,7 @@ upcoming Kubernetes release, see
 [Document a new feature](/docs/contribute/new-content/new-features/).
 {{< /note >}}
 
-To contribute new content pages or improve existing content pages, open a pull request (PR). Make sure you follow all the requirements in the [Before you begin](#before-you-begin) section.
+To contribute new content pages or improve existing content pages, open a pull request (PR). Make sure you follow all the requirements in the [Before you begin](/docs/contribute/new-content/overview/#before-you-begin) section.
 
 If your change is small, or you're unfamiliar with git, read [Changes using GitHub](#changes-using-github) to learn how to edit a page.
 
@@ -481,4 +481,4 @@ the templates with as much detail as possible when you file issues or PRs.
 
 - Read [Reviewing](/docs/contribute/reviewing/revewing-prs) to learn more about the review process.
 
-{{% /capture %}}
+{{% /capture %}}