diff --git a/python/gui/auto_generated/symbology/qgssvgselectorwidget.sip.in b/python/gui/auto_generated/symbology/qgssvgselectorwidget.sip.in
index cc68da24fba..7aecdac8bf2 100644
--- a/python/gui/auto_generated/symbology/qgssvgselectorwidget.sip.in
+++ b/python/gui/auto_generated/symbology/qgssvgselectorwidget.sip.in
@@ -129,7 +129,13 @@ Sets the dynamic parameters
 
   signals:
     void svgSelected( const QString &path );
+
     void svgParametersChanged( const QMap<QString, QgsProperty> &parameters );
+%Docstring
+Emitted when the parameters have changed
+
+.. versionadded:: 3.18
+%End
 
   protected:
     void populateList();
diff --git a/src/gui/symbology/qgssvgselectorwidget.h b/src/gui/symbology/qgssvgselectorwidget.h
index 7109454aade..fcecf112f3f 100644
--- a/src/gui/symbology/qgssvgselectorwidget.h
+++ b/src/gui/symbology/qgssvgselectorwidget.h
@@ -394,6 +394,11 @@ class GUI_EXPORT QgsSvgSelectorWidget : public QWidget, private Ui::WidgetSvgSel
 
   signals:
     void svgSelected( const QString &path );
+
+    /**
+     * Emitted when the parameters have changed
+     * \since QGIS 3.18
+     */
     void svgParametersChanged( const QMap<QString, QgsProperty> &parameters );
 
   protected: