diff --git a/README.md b/README.md
index d499878..558f049 100644
--- a/README.md
+++ b/README.md
@@ -75,7 +75,7 @@ this.refs.circularProgress.performLinearAnimation(100, 8000); // Will fill the p
 
 You can configure the passing by following props:
 
-- **size** – width and height of the circle
+- **size** – width and height of the circle - could be `number` or `object` if you use `Aniamted.Value()`
 - **width** - thickness of the lines
 - **backgroundWidth** - thickness of the background line
 - **fill** - current, percentage fill (from 0 to 100)