Revise notice involving male servants (5)

I believe the answer is:

amend

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'revise' is the definition.
(I know that amend is a more specific form of the action revise)

'notice involving male servants' is the wordplay.
'notice' becomes 'ad' (both can mean an advertisement).
'involving' indicates putting letters inside.
'male servants' becomes 'men' (man can mean a personal servant. I am not sure about the 'male' bit.).
'ad' placed around 'men' is 'AMEND'.

Can you help me to learn more?

(Other definitions for amend that I've seen before include "Change to improve" , "Alter in detail" , "make an improvement" , "Change, alter" , "Change for the better" .)

I've seen this clue in The Telegraph.

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