From 988243437a4938771c1a07bccdd403968f2b777c Mon Sep 17 00:00:00 2001
From: Judy Bogart <jbogart@gmail.com>
Date: Mon, 21 Jan 2019 08:58:50 -0800
Subject: [PATCH] docs: add method doc (#27377)

PR Close #27377
---
 packages/common/src/directives/ng_for_of.ts | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/packages/common/src/directives/ng_for_of.ts b/packages/common/src/directives/ng_for_of.ts
index ed3beeca5c..08feff2183 100644
--- a/packages/common/src/directives/ng_for_of.ts
+++ b/packages/common/src/directives/ng_for_of.ts
@@ -190,6 +190,9 @@ export class NgForOf<T> implements DoCheck {
     }
   }
 
+  /**
+   * Applies the changes when needed.
+   */
   ngDoCheck(): void {
     if (this._ngForOfDirty) {
       this._ngForOfDirty = false;