Revision partly improved it, in general (7)

I believe the answer is:

editing

'revision' is the definition.
(thesaurus)

'partly improved it in general' is the wordplay.
'partly' says the answer is hidden in the clue.
'EDITING' is hidden in the letters of 'improved it in general'.

(Other definitions for editing that I've seen before include "Changing" , "Revising for publication" , "revision" , "Preparing for publication by correcting etc." , "Preparing (text) for publication" .)

I've seen this clue in The Telegraph.

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