diff --git a/HISTORY.rst b/HISTORY.rst
index 657a429b..cd297f53 100644
--- a/HISTORY.rst
+++ b/HISTORY.rst
@@ -23,6 +23,7 @@ test-driven methodologies, and modern toolchains for unrivaled success.
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 * Fixed a regression issue where custom build flags were not properly reflected in the `compile_commands.json <https://docs.platformio.org/en/latest/integration/compile_commands.html>`__ file, ensuring accurate compilation database generation
+* Fixed an issue where fully-qualified serial port URLs (e.g., ``rfc2217://host:port``) were incorrectly treated as wildcard patterns (`issue #5225 <https://github.com/platformio/platformio-core/issues/5225>`_)
 
 6.1.18 (2025-03-11)
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