Update README.md

README.md

@@ -10,4 +10,10 @@ To enable drag and drop sorting on the grid field add the following to your grid
 *Grid Field Config*
 
     :::php
-    $myGridConfig->addComponent(new GridFieldSortableRows('{Column to store sort}'));
+    $myGridConfig->addComponent(new GridFieldSortableRows('{Column to store sort}'));
+
+To move an item to another page drag the row over the respective page button and release.
+
+## @TODO
+* Optimize re-ordering of a has_many relationship when sorting on a single page
+* Add visual cue that a row can be dropped over the page icons