Update docs/link.md w/ suggestion

ashumz · jawnsy · web-flow · commit 5c93983c3fc5 · 2021-08-04T21:05:39.000-07:00
Co-authored-by: Jonathan Yu &lt;jonathan@coder.com&gt;
diff --git a/docs/link.md b/docs/link.md
@@ -2,7 +2,7 @@
 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.
 
-```bash
+```shell-session
 $ code-server --link
 Proxying code-server, you can access your IDE at https://example.cdr.co
 ```
