From d1e6db4f1ebcfb39c230dcb5eb5c7da7c503ac38 Mon Sep 17 00:00:00 2001
From: tongyu <119610311+tongyu0924@users.noreply.github.com>
Date: Tue, 4 Jul 2023 02:56:30 +0800
Subject: [PATCH 1/2] DOC Add dropdowns to module 2.8. Density Estimation

---
 doc/modules/density.rst | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/doc/modules/density.rst b/doc/modules/density.rst
index fc0530ed262c0..4e09479273653 100644
--- a/doc/modules/density.rst
+++ b/doc/modules/density.rst
@@ -113,6 +113,10 @@ forms, which are shown in the following figure:
 
 .. centered:: |kde_kernels|
 
+|details-start|
+**kernels details**
+|details-split|
+
 The form of these kernels is as follows:
 
 * Gaussian kernel (``kernel = 'gaussian'``)
@@ -139,6 +143,8 @@ The form of these kernels is as follows:
 
   :math:`K(x; h) \propto \cos(\frac{\pi x}{2h})` if :math:`x < h`
 
+|details-end|
+
 The kernel density estimator can be used with any of the valid distance
 metrics (see :class:`~sklearn.metrics.DistanceMetric` for a list of
 available metrics), though the results are properly normalized only

From 4737baf41f1fdbe79d2274f95252525655cd44bb Mon Sep 17 00:00:00 2001
From: Arturo Amor <86408019+ArturoAmorQ@users.noreply.github.com>
Date: Mon, 11 Sep 2023 17:55:28 +0200
Subject: [PATCH 2/2] Update doc/modules/density.rst

---
 doc/modules/density.rst | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/doc/modules/density.rst b/doc/modules/density.rst
index 4e09479273653..5a9b456010aa3 100644
--- a/doc/modules/density.rst
+++ b/doc/modules/density.rst
@@ -114,7 +114,7 @@ forms, which are shown in the following figure:
 .. centered:: |kde_kernels|
 
 |details-start|
-**kernels details**
+**kernels' mathematical expressions**
 |details-split|
 
 The form of these kernels is as follows: