Update README

README.md

@@ -4,29 +4,29 @@
 
 json-order allows for conversion between JS Objects and a JSON string while keeping property order, controlled via a property map. **All manner of nesting is supported**.
 
-# Usage
+## Usage
 
-## `parse`
+### `parse`
 To parse a JSON string and generate a map:
 ```js
 const result = orderedJson.parse('{...}');
 ```
 
 `result.object` will contain a JS object while `result.map` will contain the generated property map.
 
-## `stringify`
+### `stringify`
 
 To stringify a JS object maintaining a particular property order:
 ```js
 const jsonString = orderedJson.stringify(srcObj, map, 2);
 ```
 
-### Parameters
+#### Parameters
 - `srcObj`: an object with the properties in any order
 - `map`: the property map generated by `parse` above
 - `space` [optional]: a `number` used to insert white space into the output JSON string for readability purposes, as per the `JSON.stringify` [documentation](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/JSON/stringify#Parameters).
 
-# Example
+## Example
 
 An object with a particular property order:
 ```json
@@ -55,7 +55,7 @@ Will generate a lookup object like:
 }
 ```
 
-# Why?
+## Why?
 
 JS Objects in JavaScript do keep their property insertion order (this behaviour is dependant on the JS engine), however this behaviour is not guaranteed by other systems you may interchange that object with.
 
@@ -67,7 +67,7 @@ There are several solutions to this problem, (eg. storing the data in a differen
 
 This particular implementation is in reference to the approach suggested for feature [1046](https://github.com/getinsomnia/insomnia/issues/1046#issuecomment-486419705) in [Insomnia](https://github.com/getinsomnia/insomnia).
 
-# Contributing
+## Contributing
 Please raise issues or feature requests via the [Github issue tracker](https://github.com/develohpanda/json-order/issues?q=is%3Aissue+is%3Aopen+sort%3Aupdated-desc)
 
 Feel free to submit a pull request with your change!