Fix some typos and outdated docs (#6071)

README.md

@@ -141,7 +141,7 @@ Note: The list of validated [docker versions](https://github.com/kubernetes/kube
 
 ## Requirements
 
-- **Minimum required version of Kubernetes is v1.15**
+- **Minimum required version of Kubernetes is v1.16**
 - **Ansible v2.9+, Jinja 2.11+ and python-netaddr is installed on the machine that will run Ansible commands**
 - The target servers must have **access to the Internet** in order to pull docker images. Otherwise, additional configuration is required (See [Offline Environment](https://github.com/kubernetes-sigs/kubespray/blob/master/docs/downloads.md#offline-environment))
 - The target servers are configured to allow **IPv4 forwarding**.

docs/calico.md

@@ -38,7 +38,7 @@ or for versions prior to *v1.0.0*:
 calicoctl.sh pool show
 ```
 
-* Show the workloads (ip addresses of containers and their located)
+* Show the workloads (ip addresses of containers and their location)
 
 ```ShellSession
 calicoctl.sh get workloadEndpoint -o wide

docs/centos8.md

@@ -6,4 +6,4 @@ You need to use K8S 1.17+ and to add `calico_iptables_backend: "NFT"` to your co
 
 If you have containers that are using iptables in the host network namespace (`hostNetwork=true`),
 you need to ensure they are using iptables-nft.
-An exemple how k8s do the autodetection can be found [in this PR](https://github.com/kubernetes/kubernetes/pull/82966)
+An example how k8s do the autodetection can be found [in this PR](https://github.com/kubernetes/kubernetes/pull/82966)

docs/getting-started.md

@@ -96,7 +96,7 @@ the Kubernetes [documentation](https://kubernetes.io/docs/tasks/access-applicati
 Supported version is kubernetes-dashboard v2.0.x :
 
 - Login options are : token/kubeconfig by default, basic can be enabled with `kube_basic_auth: true` inventory variable - not recommended because this requires ABAC api-server which is not tested by kubespray team
-- Deployed by default in "kube-system" namespace, can be overriden with `dashboard_namespace: kubernetes-dashboard` in inventory,
+- Deployed by default in "kube-system" namespace, can be overridden with `dashboard_namespace: kubernetes-dashboard` in inventory,
 - Only serves over https
 
 Access is described in [dashboard docs](https://github.com/kubernetes/dashboard/blob/master/docs/user/accessing-dashboard/1.7.x-and-above.md). With kubespray's default deployment in kube-system namespace, instead of kuberntes-dashboard :

docs/vars.md

@@ -182,7 +182,7 @@ The possible vars are:
 * *kubelet_config_extra_args*
 * *kubelet_node_config_extra_args*
 
-Previously, the same paramaters could be passed as flags to kubelet binary with the following vars:
+Previously, the same parameters could be passed as flags to kubelet binary with the following vars:
 
 * *kubelet_custom_flags*
 * *kubelet_node_custom_flags*