diff --git a/2-ui/1-document/09-size-and-scroll/article.md b/2-ui/1-document/09-size-and-scroll/article.md
index 12c22ca8..04fef202 100644
--- a/2-ui/1-document/09-size-and-scroll/article.md
+++ b/2-ui/1-document/09-size-and-scroll/article.md
@@ -59,8 +59,8 @@ The `offsetParent` is the nearest ancestor that the browser uses for calculating
That's the nearest ancestor that is one of the following:
-1. CSS-positioned (`position` is `absolute`, `relative`, `fixed` or `sticky`), or
-2. `| `, ` | `, or ``, or
+1. CSS-positioned (`position` is `absolute`, `relative`, `fixed` or `sticky`), or
+2. `| `, ` | `, or ``, or
3. ``.
Properties `offsetLeft/offsetTop` provide x/y coordinates relative to `offsetParent` upper-left corner.
| |