diff --git a/README.md b/README.md
index 84130097d..7f64c4be0 100755
--- a/README.md
+++ b/README.md
@@ -83,6 +83,7 @@ Check example: [React-tooltip Test](https://react-tooltip.netlify.com/)
| globalEventOff | | String | e.g. click | global event to hide tooltip (global only) |
| isCapture | data-iscapture | Bool | true, false | when set to true, custom event's propagation mode will be capture |
| offset | data-offset | Object | top, right, bottom, left | `data-offset="{'top': 10, 'left': 10}"` for specific and `offset={{top: 10, left: 10}}` for global |
+| padding | data-padding | String | e.g. `8px 21px` | Popup padding style |
| multiline | data-multiline | Bool | true, false | support `
`, `
` to make multiline |
| className | data-class | String | | extra custom class, can use !important to overwrite react-tooltip's default class |
| html | data-html | Bool | true, false | `