update wording

Author: VictoriousRaptor

Flow.Launcher/Languages/en.xaml

@@ -149,7 +149,7 @@
     <system:String x:Key="builtinShortcuts">Built-in Shortcuts</system:String>
     <system:String x:Key="customQuery">Query</system:String>
     <system:String x:Key="customShortcut">Shortcut</system:String>
-    <system:String x:Key="customShortcutExpansion">Expanded</system:String>
+    <system:String x:Key="customShortcutExpansion">Expansion</system:String>
     <system:String x:Key="builtinShortcutDescription">Description</system:String>
     <system:String x:Key="delete">Delete</system:String>
     <system:String x:Key="edit">Edit</system:String>