diff --git a/README.md b/README.md
index a8c72b26..4dbd6a33 100644
--- a/README.md
+++ b/README.md
@@ -21,6 +21,7 @@ your typically lengthy or blocking function:
 import requests
 
 def count_words_at_url(url):
+    """Just an example function that's called async."""
     resp = requests.get(url)
     return len(resp.text.split())
 ```