README.md in formulaic-0.1.1 vs README.md in formulaic-0.1.2

@@ -148,10 +148,10 @@
   | --------------------------------------|----------------------------------|
   | `String`                              | `fill_in`, `choose`, or `select` |
   | `Date`, `ActiveSupport::TimeWithZone` | `select` year, month, and day    |
   | `TrueClass`                           | `check`                          |
   | `FalseClass`                          | `uncheck`                        |
-  | `Array`                               | `check` each array member, which should all be strings |
+  | `Array`                               | `check` or `select` each array member, which should all be strings. If not all items can be selected or checked, an error will be thrown.|
   | `File`                                | `attach_file` with `File#path`   |
 
 * Formulaic is currently tied to `simple_form` translations and field structure.
   If you pass a string for the attribute, we’ll try to fill the input that
   relates to that label. We would be happy to work with you to add support for