olympiad cancelation skill (help)

[SavageLT]

I want to make that spellsinger when he goes to olympiad it appers cancelation skill because i delete from skill_tree cancelation. I know that i need to change in olympiad.java but what i need to write ? and where?  sorry if I wrote not in this section

[SavageLT]

does someone knows it ? in l2j.server.com knows people but know their forum repearing