fix README

Author: maticzav

README.md

@@ -27,13 +27,13 @@ The BrowserUse Python library provides convenient access to the BrowserUse APIs
 1. 🦄 Automate the Internet!
 
    ```python
-   from browser_use_sdk import BrowserUseClient
+   from browser_use_sdk import BrowserUse
 
-   client = BrowserUseClient(api_key="bu_...")
+   client = BrowserUse(api_key="bu_...")
 
    task = client.tasks.create_task(
-       task="Search for the top 10 Hacker News posts and return the title and url."
-       llm="gpt-4.1",
+       task="Search for the top 10 Hacker News posts and return the title and url.",
+       llm="gpt-4.1"
    )
 
    result = task.complete()
@@ -48,6 +48,10 @@ The BrowserUse Python library provides convenient access to the BrowserUse APIs
 Browser Use Python SDK provides first class support for Pydantic models.
 
 ```py
+from browser_use_sdk import AsyncBrowserUse
+
+client = AsyncBrowserUse(api_key=API_KEY)
+
 class HackerNewsPost(BaseModel):
     title: str
     url: str