diff --git a/Flow.Launcher/Languages/en.xaml b/Flow.Launcher/Languages/en.xaml
index 7258e3a91..6232492ba 100644
--- a/Flow.Launcher/Languages/en.xaml
+++ b/Flow.Launcher/Languages/en.xaml
@@ -36,6 +36,7 @@
     <system:String x:Key="hideNotifyIcon">Hide tray icon</system:String>
     <system:String x:Key="querySearchPrecision">Query Search Precision</system:String>
     <system:String x:Key="ShouldUsePinyin">Should Use Pinyin</system:String>
+    <system:String x:Key="ShouldUsePinyinToolTip">Allows using Pinyin to search. Pinyin is the standard system of romanized spelling for transliterating Chinese</system:String>
 
     <!--Setting Plugin-->
     <system:String x:Key="plugin">Plugin</system:String>
diff --git a/Flow.Launcher/SettingWindow.xaml b/Flow.Launcher/SettingWindow.xaml
index 23b741575..651d7db09 100644
--- a/Flow.Launcher/SettingWindow.xaml
+++ b/Flow.Launcher/SettingWindow.xaml
@@ -63,7 +63,7 @@
                     <ui:ToggleSwitch Margin="10" IsOn="{Binding AutoUpdates}">
                         <TextBlock Text="{DynamicResource autoUpdates}" />
                     </ui:ToggleSwitch>
-                    <CheckBox Margin="10" IsChecked="{Binding ShouldUsePinyin}">
+                    <CheckBox Margin="10" IsChecked="{Binding ShouldUsePinyin}" ToolTip="{DynamicResource ShouldUsePinyinToolTip}">
                         <TextBlock Text="{DynamicResource ShouldUsePinyin}" />
                     </CheckBox>
                     <StackPanel Margin="10" Orientation="Horizontal">