diff --git a/README.md b/README.md
index 953f8a2..c64c951 100644
--- a/README.md
+++ b/README.md
@@ -3,8 +3,7 @@
 Library of functions to complement [libxmljs](https://github.com/libxmljs/libxmljs).
 
 ```JS
-const libxmljs = require('libxmljs');
-const extras = require('libxmljs-extra');
+const { Document } = require('libxmljs-extra');
 
 const xml = `<?xml version="1.0" encoding="UTF-8"?>
             <root xmlns="http://www.my-namespace.org/">
@@ -16,50 +15,14 @@
               </child>
             </root>`;
 
-const xmlDoc = libxmljs.parseXml(xml);
+const xmlDoc = new Document(xml);
 
 // Sets the global namespace of the document
-extras.setNamespace(xmlDoc, 'namespace', 'http://www.my-namespace.org/');
+xmlDoc.setNamespace('namespace', 'http://www.my-namespace.org/');
 
-const grandchildren = extras.find(xmlDoc, '//grandchild');
+const grandchildren = xmlDoc.find('//grandchild');
 
 grandchildren.forEach((grandchild) => console.log(grandchild.text())); // Prints "Hello\nWorld"
 
-console.log(extras.count(xmlDoc, '//grandchild')); // Prints "2"
+console.log(xmlDoc.count('//grandchild')); // Prints "2"
 ```
-
-## Docs
-
-
-### count(xmlDoc, xpath)
->Counts the amount of results of the provided XPath.  
-
->**args**  
-*xmlDoc* The instance of `Document` representating the XML document.  
-*xpath* The XPath to count in `xmlDoc`.  
-
->**returns**  
-The amount of results.  
-
-
-### find(xmlDoc, xpath)
->Finds the result of the provided XPath.  
-
->**args**  
-*xmlDoc* The instance of `Document` representating the XML document.  
-*xpath* The XPath to get in `xmlDoc`.  
-
->**returns**  
-The found `Element` or `Element`s.  
-
-
-### setNamespace(xmlDoc, alias, url)
->Sets the namespace to use for the specified `Document`.  
-
->**args**  
-*xmlDoc* The `Document` instance to set the namespace of.  
-*alias* The namespace alias.  
-*url* The namespace URL.  
-
->**returns**  
-void
diff --git a/index.js b/index.js
index c70c4e3..763dcba 100644
--- a/index.js
+++ b/index.js
@@ -2,6 +2,10 @@
 const Document = require('./src/Document');
 
 module.exports = {
+  /**
+   * A copy of the Document class from `libxmljs` with extras methods
+   * and existing ones modified.
+   */
   Document,
 
   /**