diff --git a/docs/destructuring.md b/docs/destructuring.md
index 0b92f57..0e314ff 100644
--- a/docs/destructuring.md
+++ b/docs/destructuring.md
@@ -516,7 +516,7 @@ let { o: ({ p: p }) } = { o: { p: 2 } };
 // 报错
 function f([(z)]) { return z; }
 // 报错
-function f([z: (x)]) { return x; }
+function f([z,(x)]) { return x; }
 ```
 
 （3）赋值语句的模式