fix

http://www.db.yugioh-card.com/yugiohdb/faq_search.action?ope=5&fid=11537&keyword=&tag=-1
http://www.db.yugioh-card.com/yugiohdb/faq_search.action?ope=5&fid=182&keyword=&tag=-1
The player can pay X LP cost when his LP is exactly X.