Readme changes

README.md

@@ -4,10 +4,21 @@ Prettify JSON plugin for Sublime Text 2
 Install this repository via [Package Control](http://wbond.net/sublime_packages/package_control)
 
 ## Usage
-To prettify json, make selection of json and press keys:
+To prettify JSON, make selection of json and press keys:
 
 - Linux: `ctrl+alt+j`
 - Windows: `ctrl+alt+j`
 - OS X: `super+ctrl+j`
 
-If JSON is not valid it will be displayed in status bar of sublime
+If selection is empty and configuration entry "use_entire_file_if_no_selection" is true, tries to prettify whole file.
+
+If JSON is not valid it will be displayed in status bar of sublime.
+
+## Default configuration
+
+"use_entire_file_if_no_selection" : true,
+"indent_size" : 4,
+"sort_keys" : true
+
+## Thanks
+https://github.com/the3rdhbtaylor