Updating the text in the About window

PulseOximeter/PulseOximeter/View/Window_About.xaml

@@ -33,7 +33,12 @@
             <TextBlock Grid.Row="2" Grid.Column="1" Text="" Margin="0,10" FontSize="18" x:Name="ApplicationBuildDateTextBox" />
         </Grid>
 
-        <TextBlock Grid.Row="1" Text="Copyright ReWire LLC. All rights reserved." Margin="20" FontSize="18" HorizontalAlignment="Center" />
+        <StackPanel Orientation="Vertical" Grid.Row="1" HorizontalAlignment="Center" Margin="20">
+            <TextBlock Text="Copyright ReWire LLC. This program is free software and is distributed under the GNU General Public License, version 3." FontSize="18" TextWrapping="Wrap" />
+            <TextBlock Text="For more details about the license, please refer to the source code repository at: https://github.com/ReWire-LLC/rewire_pulse_oximeter_software_wpf" FontSize="18" TextWrapping="Wrap" Margin="0,10,0,0" />
+            <TextBlock Text="This software is for research use only, and should not be used in diagnostic procedures." FontSize="18" TextWrapping="Wrap" Margin="0,10,0,0" />
+        </StackPanel>
+
         <Button x:Name="OKButton" Grid.Row="2" Content="OK" HorizontalAlignment="Center" FontSize="18" Padding="10" Margin="10" Height="50" Width="200" Click="OKButton_Click" />
     </Grid>
 </Window>