diff --git a/Minimal-Vector-API.md b/Minimal-Vector-API.md
index a7ed22e..7fe13bc 100644
--- a/Minimal-Vector-API.md
+++ b/Minimal-Vector-API.md
@@ -20,6 +20,8 @@ var layer = new ol.layer.Vector({
 });
 ```
 
+For data that is already available in memory as string or object, a `data` option can be provided instead of `url`.
+
 ## Style Vector Data
 
 Initially, we can style data with a subset of CartoCSS or SLD, without exposing a style API.