diff --git a/dataoverview.py b/dataoverview.py
index 9657b7d..3b20d42 100644
--- a/dataoverview.py
+++ b/dataoverview.py
@@ -494,7 +494,7 @@ if __name__ == '__main__':
     
     si_stats('P-unit model:', punit_model, 'dsinorm100', si_thresh,
              'nsegs100')
-    axs[0, 0].text(0, 1.35, 'P-unit models',
+    axs[0, 0].text(0, 1.35, 'P-unit models', fontsize='large',
                    transform=axs[0, 0].transAxes, color=s.model_color1)
     plot_cvbase_si_punit(axs[0, 0], punit_model, 'dsinorm100', si_thresh,
                          s.model_color2)
@@ -508,7 +508,7 @@ if __name__ == '__main__':
 
     si_stats('P-unit data:', punit_data, 'sinorm' + si, si_thresh,
              'nsegs' + si)
-    axs[1, 0].text(0, 1.35, 'P-unit data',
+    axs[1, 0].text(0, 1.35, 'P-unit data', fontsize='large',
                    transform=axs[1, 0].transAxes, color=s.punit_color1)
     plot_cvbase_si_punit(axs[1, 0], punit_data, 'sinorm' + si, si_thresh,
                          s.punit_color2)
@@ -522,7 +522,7 @@ if __name__ == '__main__':
 
     si_stats('Ampullary data:', ampul_data, 'sinorm' + si, si_thresh,
              'nsegs' + si)
-    axs[2, 0].text(0, 1.35, 'Ampullary data',
+    axs[2, 0].text(0, 1.35, 'Ampullary data', fontsize='large',
                    transform=axs[2, 0].transAxes, color=s.ampul_color1)
     plot_cvbase_si_ampul(axs[2, 0], ampul_data, 'sinorm' + si, si_thresh,
                          s.ampul_color2)