diff --git a/MainWindow.xaml b/MainWindow.xaml
index 6de84d7..8f9f9a2 100644
--- a/MainWindow.xaml
+++ b/MainWindow.xaml
@@ -113,8 +113,8 @@
                 <DataGridTextColumn Header="E-Mail" Visibility="{Binding Source={x:Reference mailViewCheckBox}, Path=IsChecked, Converter={StaticResource Bool2VisibilityConv}}" Binding="{Binding Mail}" Width="*"/>
                 <DataGridTextColumn Header="Téléphone" Visibility="{Binding Source={x:Reference telViewCheckBox}, Path=IsChecked, Converter={StaticResource Bool2VisibilityConv}}" Binding="{Binding Tel}" Width="*"/>
                 <DataGridTextColumn Header="Mobile" Visibility="{Binding Source={x:Reference telPortViewCheckBox}, Path=IsChecked, Converter={StaticResource Bool2VisibilityConv}}" Binding="{Binding TelPort}" Width="*"/>
-                <DataGridTextColumn Header="Date de création" Visibility="{Binding Source={x:Reference dateCreationViewCheckBox}, Path=IsChecked, Converter={StaticResource Bool2VisibilityConv}}" Binding="{Binding DateCreation, StringFormat='dd-MM-yyyy HH:mm'}" Width="*"/>
-                <DataGridTextColumn Header="Date de modification" Visibility="{Binding Source={x:Reference dateModificationViewCheckBox}, Path=IsChecked, Converter={StaticResource Bool2VisibilityConv}}" Binding="{Binding DateModification, StringFormat='dd-MM-yyyy HH:mm'}" Width="*"/>
+                <DataGridTextColumn Header="Date de création" Visibility="{Binding Source={x:Reference dateCreationViewCheckBox}, Path=IsChecked, Converter={StaticResource Bool2VisibilityConv}}" Binding="{Binding DateCreation, StringFormat='dd/MM/yyyy HH:mm'}" Width="*"/>
+                <DataGridTextColumn Header="Date de modification" Visibility="{Binding Source={x:Reference dateModificationViewCheckBox}, Path=IsChecked, Converter={StaticResource Bool2VisibilityConv}}" Binding="{Binding DateModification, StringFormat='dd/MM/yyyy HH:mm'}" Width="*"/>
             </DataGrid.Columns>
         </DataGrid>
     </Grid>