The term many professional film critics and sub-editors use is **capsule review**.  

From [Wikipedia][1] : 

> A **capsule review** is a form of criticism, usually associated with
> journalism, that offers a relatively short critique of a specified
> artistic work (movie, music album, restaurant, painting, etc.).
> Capsule reviews generally appear in publications like newspapers and
> magazines, and can range anywhere from just a few sentences up to
> around 300 words. [...]
>  
  [1]: https://en.wikipedia.org/wiki/Capsule_review