Fix some typos (#3690)

Signed-off-by: mooncake <xcoder@tenxcloud.com>

docs/ha-mode.md

@@ -120,7 +120,7 @@ for it.
   be covered by Kubespray for that case. Make sure your external LB provides it.
   Alternatively you may specify an externally load balanced VIPs in the
   `supplementary_addresses_in_ssl_keys` list. Then, kubespray will add them into
-  the generated cluster certifactes as well.
+  the generated cluster certificates as well.
 
 Aside of that specific case, the `loadbalancer_apiserver` considered mutually
 exclusive to `loadbalancer_apiserver_localhost`.

roles/etcd/tasks/main.yml

@@ -59,6 +59,6 @@
 
 # After etcd cluster is assembled, make sure that
 # initial state of the cluster is in `existing`
-# state insted of `new`.
+# state instead of `new`.
 - include_tasks: refresh_config.yml
   when: is_etcd_master

roles/kubernetes/node/defaults/main.yml

@@ -92,7 +92,7 @@ kubelet_node_custom_flags: []
 
 # This setting is used for rkt based kubelet for deploying hyperkube
 # from a docker based registry ( controls --insecure and docker:// )
-## Empty vaule for quay.io containers
+## Empty value for quay.io containers
 ## docker for docker registry containers
 kube_hyperkube_image_repo: ""
 

scale.yml

@@ -35,7 +35,7 @@
     ansible_ssh_pipelining: true
   gather_facts: true
 
-##We need to genereate the etcd certificates beforhand
+##We need to generate the etcd certificates beforhand
 - hosts: etcd
   any_errors_fatal: "{{ any_errors_fatal | default(true) }}"
   roles: