diff --git a/content/en/docs/setup/production-environment/tools/kubeadm/install-kubeadm.md b/content/en/docs/setup/production-environment/tools/kubeadm/install-kubeadm.md
index d3db020b99..91b54e18e4 100644
--- a/content/en/docs/setup/production-environment/tools/kubeadm/install-kubeadm.md
+++ b/content/en/docs/setup/production-environment/tools/kubeadm/install-kubeadm.md
@@ -69,7 +69,7 @@ For more details please see the [Network Plugin Requirements](/docs/concepts/ext
 ## Check required ports
 These
 [required ports](/docs/reference/ports-and-protocols/)
-need to be open in order for Kubernetes components to communicate with each other. You can use NetCat to check if a port is open. For example:
+need to be open in order for Kubernetes components to communicate with each other. You can use tools like netcat to check if a port is open. For example:
 
 ```shell
 nc 127.0.0.1 6443