swaps usage of keywords and data types in intro

files/en-us/web/css/box-edge/index.md

@@ -7,7 +7,9 @@ spec-urls: https://drafts.csswg.org/css-box-4/#keywords
 
 {{CSSRef}}
 
-The **`<box-edge>`** keywords represent a [box edge](/en-US/docs/Web/CSS/CSS_box_model/Introduction_to_the_CSS_box_model). These keywords are used to define different aspects of an element's box model and how elements are positioned and rendered on screen. The `<box-edge>` keyword values are the components of, but not limited to, the`<visual-box>`, `<layout-box>`, `<paint-box>`, `<coord-box>`, and `<geometry-box>` data types. These types are applied to properties such as {{cssxref("transform-box")}} and {{cssxref("background-clip")}}.
+The **`<box-edge>`** value types represent a [box edge](/en-US/docs/Web/CSS/CSS_box_model/Introduction_to_the_CSS_box_model) keyword, such as [`content-box`](#content-box) and [`border-box`](#border-box). The box-edge keywords are used to define different aspects of an element's box model and how elements are positioned and rendered on screen.
+
+The box-edge keywords are the components of, but not limited to, the data types `<visual-box>`, `<layout-box>`, `<paint-box>`, `<coord-box>`, and `<geometry-box>`. These types are applied to properties such as {{cssxref("transform-box")}} and {{cssxref("background-clip")}}.
 
 ## Syntax