Fix formatting for new KDE validation changelog entry.

DessyVV · DessyVV · commit bf35d4dff124 · 2021-10-24T10:35:35.000+03:00
diff --git a/doc/whats_new/v1.1.rst b/doc/whats_new/v1.1.rst
@@ -88,14 +88,14 @@ Changelog
 - |Enhancement| :func:`utils.estimator_html_repr` shows a more helpful error
   message when running in a jupyter notebook that is not trusted. :pr:`21316`
   by `Thomas Fan`_.
-.......................
+
+:mod:`sklearn.neighbors`
+........................
 
 - |Fix| :class:`neighbors.KernelDensity` now validates input parameters in `fit`
   instead of `__init__`. :pr:`21430` by :user:`Desislava Vasileva <DessyVV>` and
   :user:`Lucy Jimenez <LucyJimenez>`.
 
-:mod:`sklearn.neighbors`
-
 Code and Documentation Contributors
 -----------------------------------
 
