cks: fix k8s iso script example (#317)

Signed-off-by: Abhishek Kumar <abhishek.mrt22@gmail.com>

Author: shwstppr

source/plugins/cloudstack-kubernetes-service.rst

@@ -59,13 +59,13 @@ Usage:
 
 .. parsed-literal::
 
-   # ./create-kubernetes-binaries-iso.sh OUTPUT_PATH KUBERNETES_VERSION CNI_VERSION CRICTL_VERSION WEAVENET_NETWORK_YAML_CONFIG DASHBOARD_YAML_CONFIG
+   # ./create-kubernetes-binaries-iso.sh OUTPUT_PATH KUBERNETES_VERSION CNI_VERSION CRICTL_VERSION WEAVENET_NETWORK_YAML_CONFIG DASHBOARD_YAML_CONFIG [OPTIONAL_OUTPUT_FILENAME]
 
 Eg:
 
 .. parsed-literal::
 
-   # ./create-kubernetes-binaries-iso.sh ./ 1.12.5 0.7.1 1.12.0 "https://cloud.weave.works/k8s/net?k8s-version=1.12.5" https://raw.githubusercontent.com/kubernetes/dashboard/v2.0.0-beta1/aio/deploy/recommended.yaml
+   # ./create-kubernetes-binaries-iso.sh ./ 1.25.0 1.1.1 1.25.0 https://github.com/weaveworks/weave/releases/download/v2.8.1/weave-daemonset-k8s.yaml https://raw.githubusercontent.com/kubernetes/dashboard/v2.7.0/aio/deploy/recommended.yaml setup-v1.25.0
 
 **NOTE:**
 From ACS 4.16 onwards, Kubernetes versions >= 1.20.x are only supported (https://endoflife.date/kubernetes).