fix typo + update readme

Author: jjw24

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

@@ -30,7 +30,7 @@
     <system:String x:Key="plugin_explorer_opencontainingfolder">Open containing folder</system:String>
     <system:String x:Key="plugin_explorer_opencontainingfolder_subtitle">Opens the location that contains the file or folder</system:String>
     <system:String x:Key="plugin_explorer_openwitheditor">Open With Editor:</system:String>
-    <system:String x:Key="plugin_explorer_excludefromindexsearch">Exclude current and sub-directories from index search</system:String>
+    <system:String x:Key="plugin_explorer_excludefromindexsearch">Exclude current and sub-directories from Index Search</system:String>
     <system:String x:Key="plugin_explorer_excludedfromindexsearch_msg">Excluded from Index Search</system:String>
     <system:String x:Key="plugin_explorer_openindexingoptions">Open Windows Indexing Options</system:String>
     <system:String x:Key="plugin_explorer_openindexingoptions_subtitle">Manage indexed files and folders</system:String>

README.md

@@ -14,7 +14,7 @@ Flow Launcher. Dedicated to make your workflow flow more seamlessly. Aimed at be
 ## Features
 ![The Flow](https://user-images.githubusercontent.com/26427004/82151677-fa9c7100-989f-11ea-9143-81de60aaf07d.gif)
 
-- Search everything from applications, folders, bookmarks, YouTube, Twitter and more. All from the comfort of your keyboard without ever touching the mouse.
+- Search everything from applications, files, bookmarks, YouTube, Twitter and more. All from the comfort of your keyboard without ever touching the mouse.
 - Run batch and PowerShell commands as Administrator or a different user.
 - Support languages from Chinese to Italian and more.
 - Support of wide range of plugins.