[1.8.x] Fixed #23520 -- Explained that custom plural forms should be avoided
[1.8.x] Fixed #23520 -- Explained that custom plural forms should be avoided

Thanks aruseni for the report.
Backport of 556eb67701 from master.

h4r5h1t/django-hauthy,pquentin/django,h4r5h1t/django-hauthy,pquentin/django,pquentin/django,h4r5h1t/django-hauthy,h4r5h1t/django-hauthy