Fix #4244
diff --git a/user_guide_src/source/changelog.rst b/user_guide_src/source/changelog.rst
index efb09f2..1d111b1 100644
--- a/user_guide_src/source/changelog.rst
+++ b/user_guide_src/source/changelog.rst
@@ -15,6 +15,7 @@
- Fixed a bug (#4217) - :doc:`Config Library <libraries/config>` method ``base_url()`` didn't use proper formatting for IPv6 when it falls back to ``$_SERVER['SERVER_ADDR']``.
- Fixed a bug where :doc:`CAPTCHA Helper <helpers/captcha_helper>` entered an infinite loop while generating a random string.
- Fixed a bug (#4223) - :doc:`Database <database/method>` method ``simple_query()`` blindly executes queries without checking if the connection was initialized properly.
+- Fixed a bug (#4244) - :doc:`Email Library <libraries/email>` could improperly use "unsafe" US-ASCII characters during Quoted-printable encoding.
Version 3.0.3
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