diff --git a/docs/releases/2.1.txt b/docs/releases/2.1.txt
index cdf1a416dc..368f1f6b29 100644
--- a/docs/releases/2.1.txt
+++ b/docs/releases/2.1.txt
@@ -402,6 +402,9 @@ Miscellaneous
   suitable alternatives. Compared to the ``QUERY_TERMS`` constant, they allow
   your code to also account for any custom lookups that have been registered.
 
+* Compatibly with ``py-bcrypt`` is removed as it's unmaintained. Use `bcrypt
+  <https://pypi.org/project/bcrypt/>`_ instead.
+
 .. _deprecated-features-2.1:
 
 Features deprecated in 2.1