diff --git a/README.md b/README.md
index 95700d4c4..defaf1354 100644
--- a/README.md
+++ b/README.md
@@ -473,6 +473,8 @@ about:
 
 This section configures global crawlers setting.
 
+> Note that, `crawlers` is a config root level parameter.
+
 Here is an example:
 
 ```YAML
@@ -481,6 +483,7 @@ crawlers:
   loop_delay_sec: 3600
 ```
 
+
 #### Authentication
 
 Monocle supports user authentication via an OIDC (OpenID Connect) provider.