docs: changelog for fixing returning multiple header sections after redirects

Author: ducng99

user_guide_src/source/changelogs/v4.6.1.rst

@@ -30,6 +30,8 @@ Deprecations
 Bugs Fixed
 **********
 
+- **CURLRequest:** Fixed returning multiple header sections as body after redirects.
+
 See the repo's
 `CHANGELOG.md <https://github.com/codeigniter4/CodeIgniter4/blob/develop/CHANGELOG.md>`_
 for a complete list of bugs fixed.