fix(site): resolve build issue

Signed-off-by: Brandt Keller <[email protected]>

Author: brandtkeller

site/src/content/docs/best-practices/airgap-demos.mdx

@@ -137,7 +137,7 @@ When `podinfo` is `Running`, port‑forward and open your browser:
 kubectl port-forward -n demo svc/podinfo 8080:80
 ```
 
-Visit <http://localhost:8080> — you should see the UI message from `values.yaml`.
+Visit `http://localhost:8080` — you should see the UI message from `values.yaml`.
 
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