docs: missing comma in 'Signals' codeblock

AUTHORS.rst

@@ -56,6 +56,7 @@ Authors
 - Hamish Downer
 - Hans de Jong (`sult <https://github.com/sult>`_)
 - Hanyin Zhang
+- Héctor Durán (`hector97i <https://github.com/hector97i>`)
 - Hernan Esteves (`sevetseh28 <https://github.com/sevetseh28>`_)
 - Hielke Walinga (`hwalinga <https://github.com/hwalinga>`_)
 - Hugo van Kemenade (`hugovk <https://github.com/hugovk>`_)

CHANGES.rst

@@ -4,6 +4,7 @@ Changes
 Unreleased
 ----------
 
+- Fixed typos in the docs
 - Added feature to evaluate ``history`` model permissions explicitly when
   ``SIMPLE_HISTORY_ENFORCE_HISTORY_MODEL_PERMISSIONS`` is set to ``True``
   in ``settings`` (gh-1017).

docs/signals.rst

@@ -47,7 +47,7 @@ To connect the signals to your callbacks, you can use the ``@receiver`` decorato
     from django.dispatch import receiver
     from simple_history.signals import (
         pre_create_historical_record,
-        post_create_historical_record
+        post_create_historical_record,
         pre_create_historical_m2m_records,
         post_create_historical_m2m_records,
     )