fix grammar

Author: taooceros

Plugins/Flow.Launcher.Plugin.Program/Languages/en.xaml

@@ -84,7 +84,7 @@
 
     <system:String x:Key="flowlauncher_plugin_program_customizedexplorer">Customized Explorer</system:String>
     <system:String x:Key="flowlauncher_plugin_program_args">Args</system:String>
-    <system:String x:Key="flowlauncher_plugin_program_tooltip_customizedexplorer">You can customized the explorer used for opening the container folder by inputing the Environmental Variable of the explorer you want to use. It will be useful to use CMD to test whether the Environmental Variable is available.</system:String>
+    <system:String x:Key="flowlauncher_plugin_program_tooltip_customizedexplorer">You can customize the explorer used for opening the container folder by inputing the Environmental Variable of the explorer you want to use. It will be useful to use CMD to test whether the Environmental Variable is available.</system:String>
     <system:String x:Key="flowlauncher_plugin_program_tooltip_args">Enter the customized args you want to add for your customized explorer. %s for parent directory, %f for full path (which only works for win32). Check the explorer's website for details.</system:String>
 
     <!--  Dialogs  -->