diff --git a/index.d.ts b/index.d.ts
index 41d4a858c6ece5a61a2088733cf8b333b45603d8..2cb19bcd8fc76ae82ebe87af742916e17f49334b 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -1,3 +1,15 @@
-import MarkdownIt = require("markdown-it");
-declare function attrs(md: MarkdownIt): void;
-export = attrs;
+import type MarkdownIt from 'markdown-it'
+
+export interface MarkdownItAttrsOptions {
+  /** left delimiter, default is `{`(left curly bracket) */
+  leftDelimiter?: string
+  /** right delimiter, default is `}`(right curly bracket) */
+  rightDelimiter?: string
+  /** rule of allowed attribute, empty means no limit */
+  allowedAttributes?: (string | RegExp)[]
+}
+
+export default function attrsPlugin(
+  md: MarkdownIt,
+  options?: MarkdownItAttrsOptions
+): void