Change text of Cash on Deliver

[kingme]

Hy,
How can I change the text "Cash on Delivery" to "Western Union"
I only want to change the Text.
In which files I have to make changes.

Thanks in Advance.

[abantecart]

In admin top right search for 'Cash on Delivery'.
Edit text entry.

[abantecart]

Also this video will help

http://m.youtube.com/watch?v=sNRsVJMEuk4&feature=c4-feed-u

[kingme]

Thanks Resolved by search method. and also thanks for the video