diff --git a/README.md b/README.md
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+++ b/README.md
@@ -2,7 +2,7 @@
 
 [![Build Status](https://travis-ci.com/ungap/custom-event.svg?branch=master)](https://travis-ci.com/ungap/custom-event) [![Coverage Status](https://coveralls.io/repos/github/ungap/custom-event/badge.svg?branch=master)](https://coveralls.io/github/ungap/custom-event?branch=master) ![WebReflection status](https://offline.report/status/webreflection.svg)
 
-An [CustomEvent](https://developer.mozilla.org/en-US/docs/Web/API/CustomEvent) polyfill for legacy browsers.
+A [CustomEvent](https://developer.mozilla.org/en-US/docs/Web/API/CustomEvent) polyfill for legacy browsers.
 
   * CDN via https://unpkg.com/@ungap/custom-event
   * ESM via `import CustomEvent from '@ungap/custom-event'`