Restore Python 2.4 warning in the changelog
diff --git a/docs/changelog.txt b/docs/changelog.txt
index 3ae45d0..823341a 100644
--- a/docs/changelog.txt
+++ b/docs/changelog.txt
@@ -11,6 +11,10 @@
pointing to the original function. This brings compatibility with the
default behaviour in Python 3.3 (due to a new feature in `functools.wraps`).
+Note that due to changes in `tox`, `mock` is no longer tested with Python 2.4.
+The compatibility code has not been removed so it probably still works, but
+tests are no longer run.
+
2012/10/07 Version 1.0.0
------------------------
