Update readme.md

Author: PeterDaveHello

readme.md

@@ -6,27 +6,26 @@ Web minify helper!
 
 Let me help you minify css and js files automatically and easily!
 
-This is only a shell script; it depends on bash shell, gnu grep, wc, curl and nodejs/npm.
+This is only a shell script; it depends on bash shell, grep, wc, curl and nodejs/npm.
 
-It is based on [clean-css](github.com/jakubpawlowicz/clean-css), [uglify-js](github.com/mishoo/UglifyJS2) and [javascript-minifier.com](http://javascript-minifier.com)/[cssminifier.com](http://cssminifier.com).
+It is based on [clean-css](https://github.com/jakubpawlowicz/clean-css), [uglify-js](https://github.com/mishoo/UglifyJS2) and [javascript-minifier.com](https://javascript-minifier.com)/[cssminifier.com](https://cssminifier.com).
 
 Feel free to contribute to the project if you want!
 
 Requirements
 ========
-- Bash shell (version > 4.0)
-- gnu grep
+- Bash shell
+- grep
 - wc (word count)
-- Curl (version > 7.0)
-- Node.js >= (0.8.0)
+- curl
+- Node.js >= (4.0)
 
 How to use?
 ========
 
 ```sh
-$ git clone https://github.com/PeterDaveHello/web-minify-helper.git
+$ git clone --recursive https://github.com/PeterDaveHello/web-minify-helper.git
 $ cd web-minify-helper
-$ git submodule update --init
 $ npm install
 ```
 
@@ -40,6 +39,6 @@ The script will scan all the directories under the current working directory, ex
 
 Then, it will check all the js & css files to see if they already have a minified version (currently, it recognizes it by looking for a `.min` in the filename, before the file extension).
 
-If the file does not have a minified version, it will minify it. 
+If the file does not have a minified version, it will minify it.
 
 Furthermore, even if there is a minified version available, the script will compare the last modified time between the original file and its minified version. If the original one is newer than the minified one -- which means the minified file is older than the original -- then it will replace the old minified file with a new minified version!