Fix #4023
Close #4024
diff --git a/user_guide_src/source/changelog.rst b/user_guide_src/source/changelog.rst
index cfa0f69..dcdd36b 100644
--- a/user_guide_src/source/changelog.rst
+++ b/user_guide_src/source/changelog.rst
@@ -78,6 +78,7 @@
- Fixed a bug (#4015) - :doc:`Email Library <libraries/email>` method ``set_header()`` didn't support method chaining, although it was advertised.
- Fixed a bug (#4027) - :doc:`Routing <general/routing>` with HTTP verbs only worked if the route request method was declared in all-lowercase letters.
- Fixed a bug (#4026) - :doc:`Database Transactions <database/transactions>` always rollback if any previous ``query()`` call fails.
+- Fixed a bug (#4023) - :doc:`String Helper <helpers/string_helper>` function ``increment_string()`` didn't escape its ``$separator`` parameter.
Version 3.0.0
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