Update files/en-us/web/css/attr/index.md

Co-authored-by: Chris Mills <[email protected]>

Author: bramus

files/en-us/web/css/attr/index.md

@@ -10,7 +10,7 @@ browser-compat: css.types.attr
 > [!NOTE]
 > The `attr()` function can be used with any CSS property, but support for properties other than {{CSSxRef("content")}} is experimental.
 
-The **`attr()`** [CSS](/en-US/docs/Web/CSS) [function](/en-US/docs/Web/CSS/CSS_Functions) is used to retrieve the value of an attribute of the selected element and use it in the stylesheet, similar to how the {{cssxref("var", "var()")}} function substitutes a custom property value into a function. It can also be used on [pseudo-elements](/en-US/docs/Web/CSS/Pseudo-elements), in which case the value of the attribute on the pseudo-element's originating element is returned.
+The **`attr()`** [CSS](/en-US/docs/Web/CSS) [function](/en-US/docs/Web/CSS/CSS_Functions) is used to retrieve the value of an attribute of the selected element and use it in a property value, similar to how the {{cssxref("var", "var()")}} function substitutes a custom property value. It can also be used with [pseudo-elements](/en-US/docs/Web/CSS/Pseudo-elements), in which case the attribute's value on the pseudo-element's originating element is returned.
 
 {{EmbedInteractiveExample("pages/tabbed/function-attr.html", "tabbed-shorter")}}