diff --git a/index.js b/index.js
index 763dcba..2c314aa 100644
--- a/index.js
+++ b/index.js
@@ -3,7 +3,7 @@
 
 module.exports = {
   /**
-   * A copy of the Document class from `libxmljs` with extras methods
+   * A copy of the Document class from `libxmljs` with extra methods
    * and existing ones modified.
    */
   Document,