Merge pull request #3922 from cdr/fix-code-block

change code block formatting

docs/link.md

@@ -3,7 +3,7 @@
 Run code-server with the beta flag `--link` and you'll get TLS, authentication, and a dedicated URL
 for accessing your IDE out of the box.
 
-```shell-session
+```console
 $ code-server --link
 Proxying code-server, you can access your IDE at https://example.cdr.co
 ```