Refs -- Doc'd INSTALLED_APPS requirement for ArrayField(CIText).
@@ -265,6 +265,11 @@ transform do not change. For example::
:ref:`setup the citext extension <create-postgresql-extensions>` in
PostgreSQL before the first ``CreateModel`` migration operation.
+ If you're using an :class:`~django.contrib.postgres.fields.ArrayField`
+ of ``CIText`` fields, you must add ``'django.contrib.postgres'`` in your
+ :setting:`INSTALLED_APPS`, otherwise field values will appear as strings
+ like ``'{thoughts,django}'``.
+
Several fields that use the mixin are provided:
.. class:: CICharField(**options)
