documentation

Author: youroff

docs/general/configuration_options.md

@@ -63,6 +63,10 @@ Possible values:
 - `:singular`
 - `:plural` (default)
 
+##### jsonapi_namespace_separator
+
+Sets separator string for namespaced models to render `type` attribute. Default value is `--`.
+
 ##### jsonapi_include_toplevel_object
 
 Include a [top level jsonapi member](http://jsonapi.org/format/#document-jsonapi-object)