       include an input tag with name `_csrf_token`. When set to false, this
       is disabled
 
-    * `:enforce_utf8` - when false, does not enforce utf8
+    * `:enforce_utf8` - the form will have an `accept-charset` attribute set
+      to "UTF-8" and a hidden input named `_utf8` containing a unicode
+      character to force the browser to use UTF-8 as the charset. When set to
+      false, this is disabled.
+
 
   See `Phoenix.HTML.Tag.form_tag/2` for more information on the
   options above.

        <%= text_input f, :for %>
        <%= submit "Search" %>
      <% end %>

  ## Without form data


  Helpers related to producing HTML forms.

  The functions in this module can be used in three
  distinct scenarios:

    * with model data - when information to populate
      the form comes from a model
