GD Star Rating Need Changes (help)

Hello I want little help with GD star. Is there any way to put from 10 stars rating to 5. And I want to change language of Rating: 0.0/10 (0 votes cast) to my own lang.

Is there any way to change this. Just can’t find these settings probably

PLUGIN : http://wordpress.org/extend/plugins/gd-star-rating/

Thanks for your help.