Girl may appear confused (3)

I believe the answer is:

amy

I'm a little stuck... Click here to teach me more about this clue!

'girl' is the definition.

'may appear confused' is the wordplay.
'may' anagrams to 'AMY'.
Though, I am not clear how the anagram is indicated.

Can you help me to learn more?

(Other definitions for amy that I've seen before include "Record-making British aviator, Johnson" , "Girl" , "Girl's name; 3 dn (anag.)" , "- Johnson, Eng. aviator" , "lady" .)

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

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