diff --git a/docs/customize/browser/real-browser.mdx b/docs/customize/browser/real-browser.mdx
index f14297054..4529c8e7f 100644
--- a/docs/customize/browser/real-browser.mdx
+++ b/docs/customize/browser/real-browser.mdx
@@ -9,6 +9,7 @@ Connect your existing Chrome browser to preserve authentication.
 ## Basic Example
 
 ```python
+import asyncio
 from browser_use import Agent, Browser, ChatOpenAI
 
 # Connect to your existing Chrome browser