diff --git a/docs/advanced.md b/docs/advanced.md
index 0b31b478..07ca28a3 100644
--- a/docs/advanced.md
+++ b/docs/advanced.md
@@ -667,7 +667,7 @@ You can control the connection pool size using the `limits` keyword
 argument on the client. It takes instances of `httpx.Limits` which define:
 
 - `max_keepalive`, number of allowable keep-alive connections, or `None` to always
-allow. (Defaults 10)
+allow. (Defaults 20)
 - `max_connections`, maximum number of allowable connections, or` None` for no limits.
 (Default 100)