diff --git a/AsyncFunction.md b/AsyncFunction.md
index c8c0d1f..c46f469 100644
--- a/AsyncFunction.md
+++ b/AsyncFunction.md
@@ -45,6 +45,8 @@ function main(args) {
 }
 
 exports.main = main;
-exprts.onShoutcut = onShoutcut;
+exports.onShoutcut = onShoutcut;
 exports._async_sub_01 = _async_sub_01;
-```
\ No newline at end of file
+```
+
+You can use the `_async_` prefix to create an asynchronous function.