Add note from @LucasRoesler

Signed-off-by: Alex Ellis (OpenFaaS Ltd) <[email protected]>

Author: alexellis

lab1b.md

@@ -236,6 +236,8 @@ If you're using a managed cloud Kubernetes service which supplies LoadBalancers,
 k3sup app install openfaas --loadbalancer
 ```
 
+> Note: the `--loadbalancer` flag has a default of `false`, so by passing the flag, the installation will request one from your cloud provider.
+
 If you're using a local Kubernetes cluster or a VM, then run:
 
 ```sh