clean up use of word: simply

content/en/docs/reference/access-authn-authz/admission-controllers.md

@@ -110,7 +110,7 @@ This admission controller allows all pods into the cluster. It is deprecated bec
 This admission controller modifies every new Pod to force the image pull policy to Always. This is useful in a
 multitenant cluster so that users can be assured that their private images can only be used by those
 who have the credentials to pull them. Without this admission controller, once an image has been pulled to a
-node, any pod from any user can use it simply by knowing the image's name (assuming the Pod is
+node, any pod from any user can use it by knowing the image's name (assuming the Pod is
 scheduled onto the right node), without any authorization check against the image. When this admission controller
 is enabled, images are always pulled prior to starting containers, which means valid credentials are
 required.