From de996c6d56b6825e52b41074d007b97175b400f5 Mon Sep 17 00:00:00 2001
From: Piotr Tomiak <piotr.tomiak@jetbrains.com>
Date: Fri, 22 Mar 2019 14:56:06 +0100
Subject: [PATCH] docs(forms): properly convert number to string for
 formControlName input (#29473)

PR Close #29473
---
 .../forms/ts/nestedFormArray/nested_form_array_example.ts       | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/examples/forms/ts/nestedFormArray/nested_form_array_example.ts b/packages/examples/forms/ts/nestedFormArray/nested_form_array_example.ts
index 1554c7ef17..edf1217c92 100644
--- a/packages/examples/forms/ts/nestedFormArray/nested_form_array_example.ts
+++ b/packages/examples/forms/ts/nestedFormArray/nested_form_array_example.ts
@@ -17,7 +17,7 @@ import {FormArray, FormControl, FormGroup} from '@angular/forms';
     <form [formGroup]="form" (ngSubmit)="onSubmit()">
       <div formArrayName="cities">
         <div *ngFor="let city of cities.controls; index as i">
-          <input [formControlName]="i" placeholder="City">
+          <input formControlName="{{i}}" placeholder="City">
         </div>
       </div>
       <button>Submit</button>