diff --git a/mongoengine/base/document.py b/mongoengine/base/document.py
index 4181bcd5..f03ce848 100644
--- a/mongoengine/base/document.py
+++ b/mongoengine/base/document.py
@@ -100,13 +100,11 @@ class BaseDocument(object):
             for key, value in values.iteritems():
                 if key in self._fields or key == '_id':
                     setattr(self, key, value)
-                elif self._dynamic:
+                else:
                     dynamic_data[key] = value
         else:
             FileField = _import_class('FileField')
             for key, value in values.iteritems():
-                if key == '__auto_convert':
-                    continue
                 key = self._reverse_db_field_map.get(key, key)
                 if key in self._fields or key in ('id', 'pk', '_cls'):
                     if __auto_convert and value is not None:
diff --git a/mongoengine/document.py b/mongoengine/document.py
index c8532e5b..b9db8bc6 100644
--- a/mongoengine/document.py
+++ b/mongoengine/document.py
@@ -1000,7 +1000,7 @@ class Document(BaseDocument):
 class DynamicDocument(Document):
     """A Dynamic Document class allowing flexible, expandable and uncontrolled
     schemas.  As a :class:`~mongoengine.Document` subclass, acts in the same
-    way as an ordinary document but has expando style properties.  Any data
+    way as an ordinary document but has expanded style properties.  Any data
     passed or set against the :class:`~mongoengine.DynamicDocument` that is
     not a field is automatically converted into a
     :class:`~mongoengine.fields.DynamicField` and data can be attributed to that