Fix small typos (kubernetes#18886)

* Fix small typos Small typos noticed and fixed in: - configure-upgrade-etcd.md - reconfigure-kubelet.md Signed-off-by: Mariyan Dimitrov <[email protected]> * Rephrase a paragraph on etcd upgrade en\docs\tasks\administer-cluster\configure-upgrade-etcd.md Following a suggestion in kubernetes#18886, I've rephrased a sentence on etcd upgrade prerequisites. Signed-off-by: Mariyan Dimitrov <[email protected]>
wawa0210 · Mar 2, 2020 · 5398dd7 · 5398dd7
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diff --git a/content/en/docs/tasks/administer-cluster/configure-upgrade-etcd.md b/content/en/docs/tasks/administer-cluster/configure-upgrade-etcd.md
@@ -215,8 +215,8 @@ etcd2 and etcd3 is as follows:
                       message `etcd2 is no longer a supported storage backend`
 
 Before upgrading a v1.12.x kube-apiserver using `--storage-backend=etcd2` to
-v1.13.x, etcd v2 data MUST by migrated to the v3 storage backend, and
-kube-apiserver invocations changed to use `--storage-backend=etcd3`.
+v1.13.x, etcd v2 data must be migrated to the v3 storage backend and
+kube-apiserver invocations must be changed to use `--storage-backend=etcd3`.
 
 The process for migrating from etcd2 to etcd3 is highly dependent on how the
 etcd cluster was deployed and configured, as well as how the Kubernetes

diff --git a/content/en/docs/tasks/administer-cluster/reconfigure-kubelet.md b/content/en/docs/tasks/administer-cluster/reconfigure-kubelet.md
@@ -163,7 +163,7 @@ data:
 ```
 
 The ConfigMap is created in the `kube-system` namespace because this
-ConfigMap configures a Kubelet, which is Kubernetes system component.
+ConfigMap configures a Kubelet, which is a Kubernetes system component.
 
 The `--append-hash` option appends a short checksum of the ConfigMap contents
 to the name. This is convenient for an edit-then-push workflow, because it