diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index fbebc27cc..ffd7ab3fb 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -33,7 +33,7 @@ Internal changes
 * The `numpydoc` linting tool has been added to the development dependencies, linting checks, and the `pre-commit` configuration. (:pull:`1988`).
 * `xclim` now uses a `src` layout for the codebase. Structure-dependent functions, documentation, and build commands have been adapted to reflect these changes. (:pull:`1971`).
 * Added a more robust `yamllint` configuration to ensure that all YAML files are linted consistently. (:pull:`1971`).
-* Addressed a very rare singular matrix error that can happen in ``test_loess_smoothing_nan``.
+* Addressed a very rare singular matrix error that can happen in ``test_loess_smoothing_nan``. (:pull:`2015`).
 
 CI changes
 ^^^^^^^^^^