Plugin Help **/staff/ prefix shows up, but its set to Owner ?? PermissionsEx

Hi, i have my own minecraft server, and i recently fixed my Permissions.yml file (finally) but now the prefixes show up as **//staff. I have no idea why this is....
This is my permissions.yml file: http://pastebin.com/6A3J9gKL
My plugins:

Clearlag.jar
Color_Signs_Text.jar
EssentialsX-2.0.1.jar
KitAdder.jar
LegendaryMessages.jar
PermColorSigns_1.2.jar
PermissionsEx-1.23.3.jar
ServerSigns.jar
SetSpawn.jar
simpleFactions.jar

Thanks.

Please anyone??

EDIT by Moderator: merged posts, please use the edit button instead of double posting.