diff --git a/markdownx/models.py b/markdownx/models.py
index 96dfc09..c2abed2 100644
--- a/markdownx/models.py
+++ b/markdownx/models.py
@@ -6,11 +6,11 @@ from .fields import MarkdownxFormField
 class MarkdownxField(models.TextField):
     """
     Custom Django field for Markdown text.
-    
+
     Parameters are identical to those of the ordinary Django **TextField** parameters for the model
     fields. For consistency therefore, the descriptions have been borrowed from Django's official
     documentations (with minor modifications).
-    
+
     :param verbose_name: A human-readable name for the field. If the verbose name isn't given,
                          Django will automatically create it using the field's attribute name,
                          converting underscores to spaces.
@@ -38,11 +38,14 @@ class MarkdownxField(models.TextField):
     :type error_messages: dict
     :param kwargs: Other ``django.db.models.field`` parameters. See Django documentations_ for additional
                    information.
-    
+
     .. _documentations: https://docs.djangoproject.com/en/1.10/ref/models/fields/#error-messages
     .. _validators: https://docs.djangoproject.com/en/DEV_CONTENTS_XML/ref/validators/
     """
 
+    def get_internal_type(self):
+        return 'MarkdownxField (TextField)'
+
     def formfield(self, **kwargs):
         """
         Customising the ``form_class``.