Update quickstart.mdx

Signed-off-by: tcaldwell-x <tcaldwell@twitter.com>

Author: tcaldwell-x

x-api/users/follows/quickstart.mdx

@@ -302,7 +302,7 @@ console.log(`Following: ${response.data?.following}`);
   <Card title="Mutes" icon="volume-xmark" href="/x-api/users/mutes/introduction">
     Mute and unmute users
   </Card>
-  <Card title="API Reference" icon="code" href="/x-api/users/followers-lookup">
+  <Card title="API Reference" icon="code" href="/x-api/users/get-followers">
     Full endpoint documentation
   </Card>
 </CardGroup>