Update articles/aks/openfaas.md

Author: Jak-MS

articles/aks/openfaas.md

@@ -105,7 +105,7 @@ gateway            ClusterIP      10.0.156.194   <none>         8080/TCP
 gateway-external   LoadBalancer   10.0.28.18     52.186.64.52   8080:30800/TCP   7m
 ```
 
-To test the OpenFaaS system, browse to the external IP address on port 8080, `http://52.186.64.52:8080` in this example. You will be prompted to log in. The default user is `admin` and your password can be retrieved using `echo $PASSWORD`.
+To test the OpenFaaS system, browse to the external IP address on port 8080, `http://52.186.64.52:8080` in this example. You will be prompted to log in. The default user is `admin` and your password can be retrieved by using `echo $PASSWORD`.
 
 ![OpenFaaS UI](media/container-service-serverless/openfaas.png)