Refs -- Corrected note about MySQL/MariaDB support of index ordering.
@@ -80,7 +80,11 @@ define an index with a descending order for a column, add a hyphen before the
field's name.
For example ``Index(fields=['headline', '-pub_date'])`` would create SQL with
-``(headline, pub_date DESC)``. Index ordering isn't supported on MySQL. In that
+``(headline, pub_date DESC)``.
+
+.. admonition:: MySQL and MariaDB
+
+ Index ordering isn't supported on MySQL < 8.0.1 and MariaDB < 10.8. In that
case, a descending index is created as a normal index.
``name``
