Update README.md

Author: giulio92

README.md

@@ -24,7 +24,7 @@ GLTableCollectionView is a ready-to-use ```UITableViewController``` with a ```UI
 |🆒|Both ```UITableView``` & ```UICollectionView``` can have their own sections and/or headers|
 |🖼|Customization of ```UICollectionViewCell```s using the same ```UICollectionViewDelegate Flow Layout``` you already know|
 |✨|Previous ```UICollectionView``` **.contentOffset** value restoration after scroll|
-|↔️|UICollectionViewCell size-based (optional) pagination|
+|↔️|UICollectionView cell-size-based scroll pagination, see below for instructions|
 |📐|Storyboard and Auto Layout compatibility|
 |💎|Clean architecture|
 |🔧|Unit Tests|