Typo fix: writeable->writable (#8564)

* Update pod-security-policy.md

* Update reconfigure-kubelet.md

content/en/docs/concepts/policy/pod-security-policy.md

@@ -428,7 +428,7 @@ filesystem can escalate privileges, including reading data from other
 containers, and abusing the credentials of system services, such as Kubelet._
 
 **ReadOnlyRootFilesystem** - Requires that containers must run with a read-only
-root filesystem (i.e. no writeable layer).
+root filesystem (i.e. no writable layer).
 
 ### FlexVolume drivers
 

content/en/docs/tasks/administer-cluster/reconfigure-kubelet.md

@@ -26,7 +26,7 @@ from alpha.
 {{% capture prerequisites %}}
 - A live Kubernetes cluster with both Master and Node at v1.8 or higher must be
 running, with the `DynamicKubeletConfig` feature gate enabled and the Kubelet's
-`--dynamic-config-dir` flag set to a writeable directory on the Node.
+`--dynamic-config-dir` flag set to a writable directory on the Node.
 This flag must be set to enable Dynamic Kubelet Configuration.
 - The kubectl command-line tool must be also v1.8 or higher, and must be
 configured to communicate with the cluster.