Update install.md

ospillinger · deliahu · commit 4d06649c5064 · 2019-06-13T17:00:23.000-07:00
(cherry picked from commit 1920bbb)
diff --git a/docs/operator/install.md b/docs/operator/install.md
@@ -83,9 +83,9 @@ cortex predict iris-type irises.json
 
 ## Cleanup
 
-```
+```bash
 # Delete the deployment
-$ cortex delete iris
+cortex delete iris
 ```
 
 See [uninstall](uninstall.md) if you'd like to uninstall Cortex.
