Fix typo

Closes: #159

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

Author: alexellis

lab1b.md

@@ -233,10 +233,10 @@ curl -SLsf https://get.k3sup.dev/ | sh
 If you're using a managed cloud Kubernetes service which supplies LoadBalancers, then run the following:
 
 ```sh
-k3sup app install openfaas --loadbalancer
+k3sup app install openfaas --load-balancer
 ```
 
-> Note: the `--loadbalancer` flag has a default of `false`, so by passing the flag, the installation will request one from your cloud provider.
+> Note: the `--load-balancer` 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: