Confirm if a try is made correctly (6)

I believe the answer is:

ratify

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'confirm' is the definition.
(I've seen this before)

'if a try is made correctly' is the wordplay.
'if a try' anagrams to 'RATIFY'.
However, I'm unsure how the anagram is indicated.

Can you help me to learn more?

(Other definitions for ratify that I've seen before include "Approve officially" , "Affirm" , "Confirm or accept, say a treaty" , "Sanction" , "Formally confirm" .)

I've seen this clue in The Globe and Mail.

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