diff --git a/packages/preset-attributify/README.md b/packages/preset-attributify/README.md
index 317edff930..5b16c341a5 100644
--- a/packages/preset-attributify/README.md
+++ b/packages/preset-attributify/README.md
@@ -47,7 +47,27 @@ With attributify mode, you can separate utilities into attributes:
For example, `text-sm text-white` could be grouped into `text="sm white"` without duplicating the same prefix.
-###### Valueless Attributify
+### Prefix Self-referencing
+
+For utilities like `flex`, `grid`, `border`, that have the utilities same as the prefix, a special `~` value is provided.
+
+For example:
+
+```html
+
+```
+
+Can be written as
+
+```html
+
+```
+
+### Valueless Attributify
In addition to Windi CSS's Attributify Mode, this presets also supports valueless attributes.