Fix typo

Author: VictoriousRaptor

Flow.Launcher/Languages/en.xaml

@@ -146,7 +146,7 @@
     <system:String x:Key="showOpenResultHotkeyToolTip">Show result selection hotkey with results.</system:String>
     <system:String x:Key="customQueryHotkey">Custom Query Hotkey</system:String>
     <system:String x:Key="customQueryShortcut">Custom Query Shortcut</system:String>
-    <system:String x:Key="builtinShortcuts">Built-in Shortcuts</system:String>
+    <system:String x:Key="builtinShortcuts">Built-in Shortcut</system:String>
     <system:String x:Key="customQuery">Query</system:String>
     <system:String x:Key="customShortcut">Shortcut</system:String>
     <system:String x:Key="customShortcutExpansion">Expansion</system:String>