Make changes to start of document in connection with revolution (4)
I believe the answer is:
edit
'make changes' is the definition.
(I've seen this in another clue)
'start of document in connection with revolution' is the wordplay.
'start of' indicates taking the first letters.
'in' is an insertion indicator.
'connection with' becomes 'tie' (I am not sure about this - if you are sure you should believe this answer much more).
'revolution' shows that the letters should be reversed in order.
The first letter of 'document' is 'd'.
'd' going inside 'tie' is 'tide'.
'tide' back-to-front is 'EDIT'.
'to' acts as a link.
Can you help me to learn more?
(Other definitions for edit that I've seen before include "Prepare (material) for publishing" , "Amend and correct" , "Revise for publication" , "Rework (text)" , "Prepare (text) for issue" .)