diff --git a/doc/changelog/09-cli-tools/18448-master+fix18434-coqdoc-external-regression.rst b/doc/changelog/09-cli-tools/18448-master+fix18434-coqdoc-external-regression.rst
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+- **Fixed:**
+  Regression in option :g:`--external` of `coqdoc`, whose two arguments
+  were inadvertently swapped
+  (`#18448 <https://github.com/coq/coq/pull/18448>`_,
+  fixes `#18434 <https://github.com/coq/coq/issues/18434>`_,
+  by Hugo Herbelin).