diff --git a/docs/usage/configuration-options.md b/docs/usage/configuration-options.md
index 52f4d7359df4d36950ca05966da28a8cbe19284a..95e2578246cf52b2e8ac8e74c98345cf318eff93 100644
--- a/docs/usage/configuration-options.md
+++ b/docs/usage/configuration-options.md
@@ -832,7 +832,10 @@ Also we support the `off` keyword which will stop any fetching immediately.
 
 ## group
 
-Caution: Advanced functionality only. Do not use unless you know what you're doing.
+<!-- prettier-ignore -->
+!!! warning
+    Advanced functionality only.
+    Do not use unless you know what you're doing.
 
 The default configuration for groups are essentially internal to Renovate and you normally shouldn't need to modify them.
 However, you may choose to _add_ settings to any group by defining your own `group` configuration object.