If brought back, could help make future cinemas better (5)

I believe the answer is:

nicer

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

'better' is the definition.
(I've seen this before)

'if brought back could help make future cinemas' is the wordplay.
'NICER' is hidden backwards in amongst the letters.
However, I'm not sure how the hidden word is indicated.

Can you help me to learn more?

(Other definitions for nicer that I've seen before include "comparatively agreeable" , "improved" , "more likeable" , "More pleasing" , "Pleasanter" .)

I've seen this clue in the Evening Standard.

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