Documentation: incorrect default path for `CMSPluginBase.change_form_…

…template`

The default template path for CMSPluginBase.change_form_template in the documentation is wrong.  
https://docs.django-cms.org/en/latest/reference/plugins.html#cms.plugin_base.CMSPluginBase.change_form_template

docs/reference/plugins.rst

@@ -70,7 +70,7 @@ CMSPluginBase Attributes and Methods Reference
 
     ..  attribute:: change_form_template
 
-        Default: ``admin/cms/page/plugin_change_form.html``
+        Default: ``admin/cms/page/plugin/change_form.html``
 
         The template used to render the form when you edit the plugin.
 
@@ -80,7 +80,7 @@ CMSPluginBase Attributes and Methods Reference
                 model = MyModel
                 name = _("My Plugin")
                 render_template = "cms/plugins/my_plugin.html"
-                change_form_template = "admin/cms/page/plugin_change_form.html"
+                change_form_template = "admin/cms/page/plugin/change_form.html"
 
         See also: :attr:`frontend_edit_template`.