A hairstyle suitable for a change (4)

I believe the answer is:

afro

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

'a hairstyle' is the definition.
(type of hairstyle)

'suitable for a change' is the wordplay.
'for a' can be anagrammed to 'AFRO'.
But, I am unsure how the anagram is indicated.

Can you help me to learn more?

(Other definitions for afro that I've seen before include "configuration of locks" , "Hair in tight curls" , "Type of 18" , "Hair cut" , "Type of hairstyle - from Africa" .)

I've seen this clue in the Evening Standard.

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