Update howto-baremetal-run-read.md

fix syntax

Author: matternst7258

articles/operator-nexus/howto-baremetal-run-read.md

@@ -370,7 +370,7 @@ When an optional argument `--output-directory` is provided, the output result is
 ```azurecli
 az networkcloud baremetalmachine run-read-command --name "<bareMetalMachineName>" \
    --limit-time-seconds 60 \
-   --commands '[{command:"kubectl get",arguments:["pods", "-n", "nc-system"]}]' \
+   --commands "[{command:'kubectl get',arguments:[pods,-n,nc-system]}]" \
    --resource-group "<cluster_MRG>" \
    --subscription "<subscription>"
 ```