diff --git a/src/main_window.cpp b/src/main_window.cpp
index 7a8883e..ac53835 100644
--- a/src/main_window.cpp
+++ b/src/main_window.cpp
@@ -92,10 +92,13 @@ MainWindow::MainWindow(QWidget *parent)
 	connect(smooth_cotan, &QPushButton::clicked,
 			[&]() { emit smoothCotangentClicked(smooth_cotangent_factor); });
 	smooth_layout->addWidget(smooth_cotan, 2, 0);
-	smooth_layout->addWidget(smooth_cotangent_factor_input->slider(), 3, 0);
+	QLabel *smooth_cotan_text =
+		new QLabel("Facteur de l'adoucissement cotangentiel", this);
+	smooth_layout->addWidget(smooth_cotan_text, 3, 0);
+	smooth_layout->addWidget(smooth_cotangent_factor_input->slider(), 4, 0);
 	QDoubleSpinBox *sb = (QDoubleSpinBox *)(smooth_cotangent_factor_input->spinBox());
 	sb->setDecimals(5);
-	smooth_layout->addWidget(smooth_cotangent_factor_input->spinBox(), 3, 1);
+	smooth_layout->addWidget(smooth_cotangent_factor_input->spinBox(), 4, 1);
 	toolbar.addWidget(smooth_box);