diff --git a/docs/api/web-request.md b/docs/api/web-request.md
index 9f3e4347cc..b695cfbaf6 100644
--- a/docs/api/web-request.md
+++ b/docs/api/web-request.md
@@ -28,7 +28,7 @@ const { session } = require('electron')
 
 // Modify the user agent for all requests to the following urls.
 const filter = {
-  urls: ['https://*.github.com/*', '*://electron.github.io']
+  urls: ['https://*.github.com/*', '*://electron.github.io/*']
 }
 
 session.defaultSession.webRequest.onBeforeSendHeaders(filter, (details, callback) => {