diff --git a/storybook/stories/mouse-position/README.md b/storybook/stories/mouse-position/README.md
index 26eddd7..3445cbc 100644
--- a/storybook/stories/mouse-position/README.md
+++ b/storybook/stories/mouse-position/README.md
@@ -11,9 +11,9 @@ import { useMousePosition } from 'react-browser-hooks'
 Example of usage:
 
 ```javascript
-const { x, y } = useMousePosition(60)
+const { x, y } = useMousePosition()
 <p>X: {x}px, Y: {y}px</p>
 ```
 
 Returns an object containing:
-- x (int), y (int): the mouse pointer position
\ No newline at end of file
+- x (int), y (int): the mouse pointer position