Make details on 'How to use?' section.

Author: jcs090218

README.md

@@ -6,11 +6,17 @@ attribute.<br/><br/>
 
 
 ## How to use? ##
+
+### Alphabetic Order ###
+1. Just set `com-css-sort-sort-type` to 1. 
+
+### Customize Order Your Own ###
 1. Create `sort-order.ccs` file at the version control root directory. 
-You can grab a ccs file from `./ccs_examples/` directory in this repository.
+You can grab a ccs file from `./ccs_examples/` directory in this repository. 
 2. Look at the .ccs file, the order in the file will be the order of the CSS 
 attribute will sort.
 
+
 ## Configuration ##
 Type of sorting algorithm you want CSS attribute to sort.<br/>
 &nbsp;&nbsp;=> 0 : Sort in group type. Use 'sort-order.ccs' if