Fixed #20777 -- Admin proxy model deletion regression

Added proxy_models tests by Harm Geerts <github@geertswei.nl>.

1 files changed, 3 insertions, 3 deletions

diff --git a/docs/ref/models/instances.txt b/docs/ref/models/instances.txt
index 94b1face81..f0ec5b8ac0 100644
--- a/docs/ref/models/instances.txt
+++ b/docs/ref/models/instances.txt
@@ -500,9 +500,9 @@ using ``__str__()`` like this::
 .. method:: Model.__eq__()
 
 The equality method is defined such that instances with the same primary
-key value and the same concrete class are considered equal. The term
-concrete class means proxy model's first non-proxy parent or the class
-itself if it isn't a proxy class.
+key value and the same concrete class are considered equal. For proxy
+models, concrete class is defined as the model's first non-proxy parent;
+for all other models it is simply the model's class.
 
 For example::