diff --git a/docs/array.md b/docs/array.md
index 7f6fd37..a751516 100644
--- a/docs/array.md
+++ b/docs/array.md
@@ -777,7 +777,7 @@ ES5 对空位的处理，已经很不一致了，大多数情况下会忽略空
 [,'a'].every(x => x==='a') // true
 
 // reduce方法
-[1,,2].reduce((x,y) => return x+y) // 3
+[1,,2].reduce((x,y) => x+y) // 3
 
 // some方法
 [,'a'].some(x => x !== 'a') // false