diff --git a/View/sample_data_tab.py b/View/sample_data_tab.py
index 7fcfa81..b30066b 100644
--- a/View/sample_data_tab.py
+++ b/View/sample_data_tab.py
@@ -1745,12 +1745,12 @@ class SampleDataTab(QWidget):
                                                    stg.frac_vol_fine[profil_position_num, :],
                                                    color=color_plot)
                         self.axis_plot_PSD[0].set_xscale('log')
-                        self.axis_plot_PSD[0].set_xlabel('Radius ($m$)')
+                        self.axis_plot_PSD[0].set_xlabel('Radius (m)')
                         self.axis_plot_PSD[0].set_ylabel('Class size volume fraction')
 
                         self.axis_plot_PSD[1].plot()
                         self.axis_plot_PSD[1].set_xscale('log')
-                        self.axis_plot_PSD[1].set_xlabel('Radius ($m$)')
+                        self.axis_plot_PSD[1].set_xlabel('Radius (m)')
                         self.axis_plot_PSD[1].set_ylabel('Class size volume fraction')
 
                 elif self.combobox_PSD_plot.currentIndex() == 1:
@@ -1760,12 +1760,12 @@ class SampleDataTab(QWidget):
                                                    stg.frac_vol_fine_cumul[profil_position_num, :],
                                                    color=color_plot)
                         self.axis_plot_PSD[0].set_xscale('log')
-                        self.axis_plot_PSD[0].set_xlabel('Radius ($m$)')
+                        self.axis_plot_PSD[0].set_xlabel('Radius (m)')
                         self.axis_plot_PSD[0].set_ylabel('Cumulative size volume fraction')
 
                         self.axis_plot_PSD[1].plot()
                         self.axis_plot_PSD[1].set_xscale('log')
-                        self.axis_plot_PSD[1].set_xlabel('Radius ($m$)')
+                        self.axis_plot_PSD[1].set_xlabel('Radius (m)')
                         self.axis_plot_PSD[1].set_ylabel('Class size volume fraction')
 
                 self.figure_plot_PSD.canvas.draw_idle()
@@ -1784,14 +1784,14 @@ class SampleDataTab(QWidget):
 
                         self.axis_plot_PSD[0].plot()
                         self.axis_plot_PSD[0].set_xscale('log')
-                        self.axis_plot_PSD[0].set_xlabel('Radius ($m$)')
+                        self.axis_plot_PSD[0].set_xlabel('Radius (m)')
                         self.axis_plot_PSD[0].set_ylabel('Class size volume fraction')
 
                         self.axis_plot_PSD[1].plot(stg.radius_grain_sand,
                                                    stg.frac_vol_sand[profil_position_num, :],
                                                    color=color_plot)
                         self.axis_plot_PSD[1].set_xscale('log')
-                        self.axis_plot_PSD[1].set_xlabel('Radius ($m$)')
+                        self.axis_plot_PSD[1].set_xlabel('Radius (m)')
                         self.axis_plot_PSD[1].set_ylabel('Class size volume fraction')
 
                 elif self.combobox_PSD_plot.currentIndex() == 1:
@@ -1800,14 +1800,14 @@ class SampleDataTab(QWidget):
 
                         self.axis_plot_PSD[0].plot()
                         self.axis_plot_PSD[0].set_xscale('log')
-                        self.axis_plot_PSD[0].set_xlabel('Radius ($m$)')
+                        self.axis_plot_PSD[0].set_xlabel('Radius (m)')
                         self.axis_plot_PSD[0].set_ylabel('Cumulative size volume fraction')
 
                         self.axis_plot_PSD[1].plot(stg.radius_grain_sand,
                                                    stg.frac_vol_sand_cumul[profil_position_num, :],
                                                    color=color_plot)
                         self.axis_plot_PSD[1].set_xscale('log')
-                        self.axis_plot_PSD[1].set_xlabel('Radius ($m$)')
+                        self.axis_plot_PSD[1].set_xlabel('Radius (m)')
                         self.axis_plot_PSD[1].set_ylabel('Cumulative size volume fraction')
 
                 self.figure_plot_PSD.canvas.draw_idle()
@@ -1829,7 +1829,7 @@ class SampleDataTab(QWidget):
                                                    stg.frac_vol_fine[profil_position_num_fine, :],
                                                    color=color_plot_fine)
                         self.axis_plot_PSD[0].set_xscale('log')
-                        self.axis_plot_PSD[0].set_xlabel('Radius ($m$)')
+                        self.axis_plot_PSD[0].set_xlabel('Radius (m)')
                         self.axis_plot_PSD[0].set_ylabel('Class size volume fraction')
 
                     for profil_position_num_sand, color_plot_sand in zip(position_list_sand, color_list_sand):
@@ -1838,7 +1838,7 @@ class SampleDataTab(QWidget):
                                                    stg.frac_vol_sand[profil_position_num_sand, :],
                                                    color=color_plot_sand)
                         self.axis_plot_PSD[1].set_xscale('log')
-                        self.axis_plot_PSD[1].set_xlabel('Radius ($m$)')
+                        self.axis_plot_PSD[1].set_xlabel('Radius (m)')
                         self.axis_plot_PSD[1].set_ylabel('Class size volume fraction')
 
                 elif self.combobox_PSD_plot.currentIndex() == 1:
@@ -1848,7 +1848,7 @@ class SampleDataTab(QWidget):
                                                    stg.frac_vol_fine_cumul[profil_position_num_fine, :],
                                                    color=color_plot_fine)
                         self.axis_plot_PSD[0].set_xscale('log')
-                        self.axis_plot_PSD[0].set_xlabel('Radius ($m$)')
+                        self.axis_plot_PSD[0].set_xlabel('Radius (m)')
                         self.axis_plot_PSD[0].set_ylabel('Cumulative size volume fraction')
 
                     for profil_position_num_sand, color_plot_sand in zip(position_list_sand, color_list_sand):
@@ -1856,7 +1856,7 @@ class SampleDataTab(QWidget):
                                                        stg.frac_vol_sand_cumul[profil_position_num_sand, :],
                                                        color=color_plot_sand)
                         self.axis_plot_PSD[1].set_xscale('log')
-                        self.axis_plot_PSD[1].set_xlabel('Radius ($m$)')
+                        self.axis_plot_PSD[1].set_xlabel('Radius (m)')
                         self.axis_plot_PSD[1].set_ylabel('Cumulative size volume fraction')
 
                 self.figure_plot_PSD.canvas.draw_idle()