minor word updates and command wrapping

Signed-off-by: Wayne Witzel III <wayne@riotousliving.com>

docs/hooks.md

@@ -59,28 +59,34 @@ setup this example.
 The Ark [example/nginx-app/with-pv.yaml][2] serves as an example of adding the pre and post hook annotations directly
 to your declarative deployment. Below is an example of what updating an object in place might look like.
 
-Place Ark in to restore only mode. By placing Ark in restore only mode you prevent Ark backups from running
-while you are adding the annotations and avoid the condition where the pre hook freezes the file system, but
-there is no post hook setup to unfreeze the file system.
+Place Ark in restore only mode. This will prevent Ark backups from running while you are adding the
+annotations and avoid the condition where the pre hook freezes the file system, but there is no
+post hook setup to unfreeze it.
 
-    kubectl patch -n heptio-ark config default --type merge -p '{"restoreOnlyMode": true}'
+```shell
+kubectl patch -n heptio-ark config default --type merge -p '{"restoreOnlyMode": true}'
+```
 
-Now you patch your deployment with the required annotations.
+Now you patch your pod with the required annotations.
 
-    kubectl annotate pod -n nginx-example -l app=nginx pre.hook.backup.ark.heptio.com/command='["/sbin/fsfreeze", "--freeze", "/var/log/nginx"]'
-    kubectl annotate pod -n nginx-example -l app=nginx pre.hook.backup.ark.heptio.com/containr=fsfreeze
+```shell
+kubectl annotate pod -n nginx-example -l app=nginx pre.hook.backup.ark.heptio.com/command='["/sbin/fsfreeze", "--freeze", "/var/log/nginx"]'
+kubectl annotate pod -n nginx-example -l app=nginx pre.hook.backup.ark.heptio.com/containr=fsfreeze
 
-    kubectl annotate pod -n nginx-example -l app=nginx post.hook.backup.ark.heptio.com/command='["/sbin/fsfreeze", "--unfreeze", "/var/log/nginx"]'
-    kubectl annotate pod -n nginx-example -l app=nginx post.hook.backup.ark.heptio.com/containr=fsfreeze
+kubectl annotate pod -n nginx-example -l app=nginx post.hook.backup.ark.heptio.com/command='["/sbin/fsfreeze", "--unfreeze", "/var/log/nginx"]'
+kubectl annotate pod -n nginx-example -l app=nginx post.hook.backup.ark.heptio.com/containr=fsfreeze
+```
 
-Finally remove Ark from restore only mode and test the pre and post hooks by creating a backup. You can use the Ark logs to verify that the pre and post
+Finally, remove Ark from restore only mode and test the pre and post hooks by creating a backup. You can use the Ark logs to verify that the pre and post
 hooks are running and exiting without error.
 
-    kubectl patch -n heptio-ark config default --type merge -p '{"restoreOnlyMode": false}'
-    ark backup create nginx-hook-test
+```shell
+kubectl patch -n heptio-ark config default --type merge -p '{"restoreOnlyMode": false}'
+ark backup create nginx-hook-test
 
-    ark backup get nginx-hook-test
-    ark backup logs nginx-hook-test | grep hookCommand
+ark backup get nginx-hook-test
+ark backup logs nginx-hook-test | grep hookCommand
+```
 
 
 [1]: api-types/backup.md