Making corrections per @stof

Author: weaverryan

reference/forms/types/options/empty_value.rst.inc

@@ -10,9 +10,9 @@ the top of the select box, you can easily do so by doing the following:
 * Set the ``required`` option to false or explicitly pass in the ``empty_value``
   option in the template (as shown below).
 
-If ``required`` is true, a blank choice will display at the top of the select
+If ``required`` is false, a blank choice will display at the top of the select
 box. To customize what that entry says (or if you have ``required`` set to
-``false``), add the following when rendering the field:
+``true``), add the following when rendering the field:
 
 .. configuration-block::