diff --git a/src/AdvancedCalculator/Views/MainView.axaml b/src/AdvancedCalculator/Views/MainView.axaml
index d14d902..3d6cdd0 100644
--- a/src/AdvancedCalculator/Views/MainView.axaml
+++ b/src/AdvancedCalculator/Views/MainView.axaml
@@ -163,7 +163,7 @@
                                                                     AutomationProperties.Name="Insert function">
                                                                 <Grid ColumnDefinitions="*,Auto">
                                                                     <StackPanel>
-                                                                        <TextBlock Text="{Binding Signature}" FontWeight="Bold"/>
+                                                                        <TextBlock Text="{Binding FunctionName}" FontWeight="Bold"/>
                                                                         <TextBlock Text="{Binding FunctionDescription}" Opacity="0.8"/>
                                                                     </StackPanel>
                                                                 </Grid>