diff --git a/changelog/3664.deprecation.rst b/changelog/3664.deprecation.rst
index 6436910a6..0a00e26c1 100644
--- a/changelog/3664.deprecation.rst
+++ b/changelog/3664.deprecation.rst
@@ -1 +1,3 @@
-Applying a mark to a fixture function is deprecated. Doing so has no effect.
+Applying a mark to a fixture function now issues a warning: marks in fixtures never had any effect, but it is a common user error to apply a mark to a fixture (for example ``usefixtures``) and expect it to work.
+
+This will become an error in the future.