diff --git a/website/docs/language/functions/format.mdx b/website/docs/language/functions/format.mdx
index f306d9b489..55746a377d 100644
--- a/website/docs/language/functions/format.mdx
+++ b/website/docs/language/functions/format.mdx
@@ -15,6 +15,8 @@ other similar functions in other programming languages.
 format(spec, values...)
 ```
 
+In addition to `string`, `bool`, and `number`, you can use `format` to convert items of `null`, `list`, and `map` types into a formatted string.
+
 ## Examples
 
 ```