Changed the description of the grid layout depending on the options we use on the site.

Author: Yulyaswan

docs/fieldtypes/grid.md

@@ -33,11 +33,13 @@ Specifies the maximum number of rows this Grid can have. For example, if you ent
 
 Enables moving the Grid rows with drag & drop to change the order
 
-#### Always use a vertical grid layout?
+#### Grid layout
 
-The fields within the grid will be always stacked vertically on the publish form.
+**Auto (by default)** - the fields within the grid will be placed in a horizontal row next to each other in bigger screens, and stacked vertically on smaller screens or if there is not enough space on the page for content.
 
-When turned off, the fields within the grid will be placed in a horizontal row next to each other in bigger screens, and stacked vertically on smaller screens.
+**Vertical layout** - The fields within the grid will be always stacked vertically on the publish form.
+
+**Horizontal layout** - The fields within the grid will be always stacked horizontally on the publish form.
 
 ### Grid Fields