Update readme.md

Author: wooorm

readme.md

@@ -1,33 +1,30 @@
-# mdast-util-position [![Build Status][travis-badge]][travis] [![Coverage Status][coverage-badge]][coverage]
+# mdast-util-position [![Build Status][build-badge]][build-status] [![Coverage Status][coverage-badge]][coverage-status] [![Chat][chat-badge]][chat]
 
-[**mdast**][mdast] utility to get the position of nodes.
+<!--lint disable heading-increment no-duplicate-headings-->
 
-*   Supports index-based positional information patched by
-    [**mdast-range**][mdast-range];
+[**mdast**][mdast] utility to get the position of nodes.
 
+*   Supports index-based positional information;
 *   Supports [`indent`][mdast-indent].
 
-Utility to get the style of an [**mdast**][mdast] heading.
-
 ## Installation
 
-[npm][npm-install]:
+[npm][]:
 
 ```bash
 npm install mdast-util-position
 ```
 
-**mdast-util-position** is also available for [duo][],
-and as an AMD, CommonJS, and globals module,
-[uncompressed and compressed][releases].
+**mdast-util-position** is also available as an AMD, CommonJS, and
+globals module, [uncompressed and compressed][releases].
 
 ## Usage
 
 ```js
 var remark = require('remark');
 var position = require('mdast-util-position');
 
-var ast = remark.parse([
+var ast = remark().parse([
     '# foo',
     '',
     '* bar',
@@ -49,57 +46,64 @@ position.generated() // true
 
 ### `position.end([node])`
 
-Get the heading style of a node.
+Get the bound position of `node`.
 
-**Parameters**:
+###### Parameters
 
-*   `node` ([`Node`][mdast-node]) — Node to check;
+*   `node` ([`Node?`][node]) — Node to check.
 
-**Returns** ([`Position`][mdast-position]) — Filled with `line`
-(nullable `uint32 >= 1`) and `column` (nullable `uint32 >= 1`).
+###### Returns
+
+[`Position`][mdast-position] — Filled with `line` (nullable
+`uint32 >= 1`), `column` (nullable `uint32 >= 1`), `offset` (nullable
+`uint32 >= 0`), and `indent`.
 
 ### `position.generated([node])`
 
 Get the heading style of a node.
 
-**Parameters**:
+###### Parameters
 
 *   `node` ([`Node`][mdast-node]) — Node to check;
 
-**Returns** (`boolean`) — Whether or not `node` has positional
-information (both starting and ending lines and columns).  This is
-useful when checking if a node is inserted by plug-ins.
+###### Returns
+
+`boolean` — Whether or not `node` has positional information (both
+starting and ending lines and columns).  This is useful when checking
+if a node is inserted by plug-ins.
 
 ## License
 
-[MIT][license] © [Titus Wormer][home]
+[MIT][license] © [Titus Wormer][author]
 
 <!-- Definitions -->
 
-[travis-badge]: https://img.shields.io/travis/wooorm/mdast-util-position.svg
+[build-badge]: https://img.shields.io/travis/wooorm/mdast-util-position.svg
 
-[travis]: https://travis-ci.org/wooorm/mdast-util-position
+[build-status]: https://travis-ci.org/wooorm/mdast-util-position
 
 [coverage-badge]: https://img.shields.io/codecov/c/github/wooorm/mdast-util-position.svg
 
-[coverage]: https://codecov.io/github/wooorm/mdast-util-position
+[coverage-status]: https://codecov.io/github/wooorm/mdast-util-position
 
-[mdast]: https://github.com/wooorm/mdast
+[chat-badge]: https://img.shields.io/gitter/room/wooorm/remark.svg
 
-[mdast-node]: https://github.com/wooorm/mdast#node
+[chat]: https://gitter.im/wooorm/remark
+
+[releases]: https://github.com/wooorm/mdast-util-position/releases
 
-[mdast-range]: https://github.com/wooorm/mdast-range
+[license]: LICENSE
 
-[mdast-indent]: https://github.com/wooorm/mdast#location
+[author]: http://wooorm.com
 
-[mdast-position]: https://github.com/wooorm/mdast/blob/master/doc/nodes.md#position
+[npm]: https://docs.npmjs.com/cli/install
 
-[npm-install]: https://docs.npmjs.com/cli/install
+[mdast]: https://github.com/wooorm/mdast
 
-[duo]: http://duojs.org/#getting-started
+[node]: https://github.com/wooorm/mdast#node
 
-[releases]: https://github.com/wooorm/mdast-util-position/releases
+[mdast-node]: https://github.com/wooorm/mdast#node
 
-[license]: LICENSE
+[mdast-indent]: https://github.com/wooorm/mdast#location
 
-[home]: http://wooorm.com
+[mdast-position]: https://github.com/wooorm/mdast/blob/master/doc/nodes.md#position