Update README.md

README.md

@@ -4,7 +4,7 @@ A PHP CLI script to ouput the contents of a whole directory tree to a JSON objec
 by Ryan, 2015
 URL: http://www.ryadel.com/
 
-# What does it do
+## What does it do
 It fetches a directory tree structure like this:
 
 ```
@@ -43,16 +43,17 @@ and outputs its contents into a json-formatted file like this:
 
 It can be very useful when working with Javascript frameworks and/or similar scenarios where you need to load/browse/show a directory structure without being allowed to access the system IO.
 
+The code it's meant to be used as a dedicated CLI script (see **Usage** section below), but you can also execute it from a standard, web-hosted PHP page by populating the $argv[] array directly from code. If you need further help to implement it into a PHP page, contact me and I'll update the docs accordingly.
 
-# General rules
+
+## General rules
 * If a folder contains only files (without subfolders), they will be listed as items of a single array.
 * If a folder contains one or more subfolders, each one will be listed as a key/value array.
 * If a folder contains files and subfolders, both will be listed as a key/value array: each file will have an auto-generated numeric key starting from 0 (numbers already used by a subfolder's name will be skipped).
 
 
-# Usage (from CLI)
-The code it's meant to be used as a dedicated CLI script, but you can also execute it from a standard, web-hosted PHP page by populating the $argv[] array directly from code. If you need further help to implement it into a PHP page, contact me and I'll update the docs accordingly.
-
+## Usage
+### From CLI
 
 ```
  > php dir2json <targetFolder> <outputFile> [JSON_OPTIONS]
@@ -68,7 +69,7 @@ JSON_OPTIONS is a bitmask consisting of:
 The behaviour of these constants is described on the JSON constants page:
 http://php.net/manual/en/json.constants.php
 
-## Example
+#### Example
 ```
  > php dir2json ./images out.json JSON_PRETTY_PRINT
 ```