From b1502385e13ca928d640c0e9c61ac52e9b7b27c7 Mon Sep 17 00:00:00 2001
From: meixuexiang <meixuexiang@gmail.com>
Date: Tue, 24 Dec 2019 15:05:43 +0800
Subject: [PATCH] Update concatall.md

---
 operators/combination/concatall.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/operators/combination/concatall.md b/operators/combination/concatall.md
index a89c570..9161525 100644
--- a/operators/combination/concatall.md
+++ b/operators/combination/concatall.md
@@ -83,7 +83,7 @@ const subscribe = example.subscribe(val =>
 ```js
 // RxJS v6+
 import { take, concatAll } from 'rxjs/operators';
-import { interval, of } from 'rxjs/observable/interval';
+import { interval, of } from 'rxjs';
 
 const obs1 = interval(1000).pipe(take(5));
 const obs2 = interval(500).pipe(take(2));