diff --git a/MainWindow.axaml b/MainWindow.axaml
index 6df6fad..e92dd53 100644
--- a/MainWindow.axaml
+++ b/MainWindow.axaml
@@ -9,57 +9,62 @@
         <Grid RowDefinitions="30,*,*">
             <Menu Background="#50888888">
                 <MenuItem Header="Datei">
-                    <MenuItem Click="MnuSettings_OnClick" x:Name="MnuSettings" Header="Einstellungen"></MenuItem>
-                    <Separator/>
-                    <MenuItem Click="MnuExit_OnClick" x:Name="MnuExit" Header="Beenden"></MenuItem>
+                    <MenuItem Click="MnuSettings_OnClick" x:Name="MnuSettings" Header="Einstellungen" />
+                    <Separator />
+                    <MenuItem Click="MnuExit_OnClick" x:Name="MnuExit" Header="Beenden" />
                 </MenuItem>
                 <MenuItem Header="Hilfe">
-                    <MenuItem Header="Onlinehilfe" x:Name="MnuHelp" Click="MnuHelp_OnClick"></MenuItem>
-                    <MenuItem Header="Github" x:Name="MnuGithub" Click="MnuGithub_OnClick"></MenuItem>
-                    <MenuItem Header="Über" x:Name="MnuAbout" Click="MnuAbout_OnClick"></MenuItem>
+                    <MenuItem Header="Onlinehilfe" x:Name="MnuHelp" Click="MnuHelp_OnClick" />
+                    <MenuItem Header="Github" x:Name="MnuGithub" Click="MnuGithub_OnClick" />
+                    <MenuItem Header="Über" x:Name="MnuAbout" Click="MnuAbout_OnClick" />
                 </MenuItem>
-            </Menu>    
+            </Menu>
             <Grid Grid.Row="1">
                 <StackPanel Orientation="Horizontal" VerticalAlignment="Center" HorizontalAlignment="Center">
-                    <TextBox x:Name="TbFilename" Watermark="Dateipfad" Width="400" VerticalContentAlignment="Center"></TextBox>
-                    <Button x:Name="BtnChooseFile" Margin="10,0,0,0">
+                    <TextBox x:Name="TbFilename" Watermark="Dateipfad" Width="400" VerticalContentAlignment="Center" />
+                    <Button x:Name="BtnChooseFile" Margin="10,0,0,0" Click="BtnChooseFile_OnClick">
                         <StackPanel Orientation="Horizontal">
-                            <LucideIcon Kind="FolderOpen" Width="16" Height="16" Size="16"></LucideIcon>
-                            <Label Content="Öffnen" VerticalContentAlignment="Center" ></Label>
+                            <LucideIcon Kind="FolderOpen" Width="16" Height="16" Size="16" />
+                            <Label Content="Öffnen" VerticalContentAlignment="Center" />
                         </StackPanel>
                     </Button>
                 </StackPanel>
             </Grid>
             <Grid Grid.ColumnDefinitions="*,*" Grid.Row="2">
-                <StackPanel Grid.Column="0" Width="250" Orientation="Vertical" HorizontalAlignment="Right" Margin="0,0,5,0">
-                    <Button HorizontalAlignment="Stretch" HorizontalContentAlignment="Center" Margin="0,0,0,10">
+                <StackPanel Grid.Column="0" Width="250" Orientation="Vertical" HorizontalAlignment="Right"
+                            Margin="0,0,5,0">
+                    <Button HorizontalAlignment="Stretch" HorizontalContentAlignment="Center" Margin="0,0,0,10"
+                            x:Name="BtnCheck" Click="BtnCheck_OnClick">
                         <StackPanel Orientation="Horizontal">
-                            <LucideIcon Kind="SpellCheck" Width="36" Height="36"></LucideIcon>
-                            <Label Content="Prüfen" VerticalContentAlignment="Center" FontSize="15" FontWeight="Bold"></Label>
+                            <LucideIcon Kind="SpellCheck" Width="36" Height="36" />
+                            <Label Content="Prüfen" VerticalContentAlignment="Center" FontSize="15" FontWeight="Bold" />
                         </StackPanel>
                     </Button>
                     <Button HorizontalAlignment="Stretch" HorizontalContentAlignment="Center" Margin="0,0,0,10">
                         <StackPanel Orientation="Horizontal">
-                            <LucideIcon Kind="Combine" Width="36" Height="36"></LucideIcon>
-                            <Label Content="Zusammenführen" VerticalContentAlignment="Center" FontSize="15" FontWeight="Bold"></Label>
+                            <LucideIcon Kind="Combine" Width="36" Height="36" />
+                            <Label Content="Zusammenführen" VerticalContentAlignment="Center" FontSize="15"
+                                   FontWeight="Bold" />
                         </StackPanel>
                     </Button>
                 </StackPanel>
-                <StackPanel Grid.Column="1" Width="250" Orientation="Vertical" HorizontalAlignment="Left" Margin="5,0,0,0">
+                <StackPanel Grid.Column="1" Width="250" Orientation="Vertical" HorizontalAlignment="Left"
+                            Margin="5,0,0,0">
                     <Button HorizontalAlignment="Stretch" HorizontalContentAlignment="Center" Margin="0,0,0,10">
                         <StackPanel Orientation="Horizontal">
-                            <LucideIcon Kind="ListX" Width="36" Height="36"></LucideIcon>
-                            <Label Content="Kürzen" VerticalContentAlignment="Center" FontSize="15" FontWeight="Bold"></Label>
+                            <LucideIcon Kind="ListX" Width="36" Height="36" />
+                            <Label Content="Kürzen" VerticalContentAlignment="Center" FontSize="15" FontWeight="Bold" />
                         </StackPanel>
                     </Button>
                     <Button HorizontalAlignment="Stretch" HorizontalContentAlignment="Center" Margin="0,0,0,10">
                         <StackPanel Orientation="Horizontal">
-                            <LucideIcon Kind="Tags" Width="36" Height="36"></LucideIcon>
-                            <Label Content="Etiketten generieren" VerticalContentAlignment="Center" FontSize="15" FontWeight="Bold"></Label>
+                            <LucideIcon Kind="Tags" Width="36" Height="36" />
+                            <Label Content="Etiketten generieren" VerticalContentAlignment="Center" FontSize="15"
+                                   FontWeight="Bold" />
                         </StackPanel>
                     </Button>
                 </StackPanel>
             </Grid>
         </Grid>
     </Border>
-</Window>
+</Window>
\ No newline at end of file