Short text describing benefits (4)
I believe the answer is:
pros
'benefits' is the definition.
(as in the benefits or pluses of something)
'short text describing' is the wordplay.
'short' means to remove the last letter.
'text describing' becomes 'prose' (prose can mean descriptive text).
'prose' with its final letter taken off is 'PROS'.
(Other definitions for pros that I've seen before include "Opposites of cons" , "Arguments in favour" , "Positive arguments" , "Persons with knowledge and skill" , "Sportsmen who are paid" .)