Fix link markup

Author: pedrosousa

src/content/docs/cloudflare-one/applications/block-page.mdx

@@ -8,7 +8,7 @@ sidebar:
 
 Cloudflare Offers three different block page options:
 1. Default - A Cloudflare branded block page will be shown to users
-2. Custom Redirect URL - Any blocked request will be redirected to a URL specified by an administrator. Refer to this guide[https://github.com/cloudflare/cf-identity-dynamic] for an example of a dynamic custom block page.
+2. Custom Redirect URL - Any blocked request will be redirected to a URL specified by an administrator. Refer to this [guide](https://github.com/cloudflare/cf-identity-dynamic) for an example of a dynamic custom block page.
 3. Custom Page Template - Administrators can configure a custom HTML page hosted by Cloudflare that will be shown to users when blocked.
 
 import { Render } from "~/components"