[2.0.x] Fixed #28776 -- Fixed a/an/and typos in docs and comments.

Backport of 6c0042430e3618ce5c276d195d92a6b884daa3a3 from master

1 files changed, 1 insertions, 1 deletions

diff --git a/tests/proxy_models/models.py b/tests/proxy_models/models.py
index d0603886e0..5e6fdd2b93 100644
--- a/tests/proxy_models/models.py
+++ b/tests/proxy_models/models.py
@@ -69,7 +69,7 @@ class ManagerMixin(models.Model):
 
 class OtherPerson(Person, ManagerMixin):
     """
-    A class with the default manager from Person, plus an secondary manager.
+    A class with the default manager from Person, plus a secondary manager.
     """
     class Meta:
         proxy = True