diff --git a/docs/main/changelog.rst b/docs/main/changelog.rst
index 6200daa5..6005b270 100644
--- a/docs/main/changelog.rst
+++ b/docs/main/changelog.rst
@@ -17,6 +17,7 @@ Develop
   will no longer be tested on Python 3.4 and any bugs will not be fixed.
 - Fix ``Dependency.is_defined`` attribute to always return boolean value.
 - Update documentation and fix typos.
+- Migrate tests to ``pytest``.
 
 4.36.2
 ------
diff --git a/tests/unit/__init__.py b/tests/unit/__init__.py
index b2572276..46816ddf 100644
--- a/tests/unit/__init__.py
+++ b/tests/unit/__init__.py
@@ -1 +1 @@
-"""Dependency injector unit tests."""
+"""Tests package."""