diff --git a/docs/advanced.md b/docs/advanced.md
index ea012bd9..54be4ae0 100644
--- a/docs/advanced.md
+++ b/docs/advanced.md
@@ -260,7 +260,7 @@ client = httpx.Client(event_hooks={'response': [raise_on_4xx_5xx]})
     should be read or not.
 
     If you need access to the response body inside an event hook, you'll
-    need to call `response.read()`.
+    need to call `response.read()`, or for AsyncClients, `response.aread()`.
 
 The hooks are also allowed to modify `request` and `response` objects.