diff --git a/adev/src/content/introduction/essentials/sharing-logic.md b/adev/src/content/introduction/essentials/sharing-logic.md
index 8e9d659a2ea..735e128a8ce 100644
--- a/adev/src/content/introduction/essentials/sharing-logic.md
+++ b/adev/src/content/introduction/essentials/sharing-logic.md
@@ -42,7 +42,7 @@ import { Component } from '@angular/core';
 import { CalculatorService } from './calculator.service';
 
 @Component({
-  selector: 'app-receipt’,
+  selector: 'app-receipt',
   template: `<h1>The total is {{ totalCost }}</h1>`,
 })
 
diff --git a/aio/content/guide/what-is-angular.md b/aio/content/guide/what-is-angular.md
index 71a43178858..e65449e5fa5 100644
--- a/aio/content/guide/what-is-angular.md
+++ b/aio/content/guide/what-is-angular.md
@@ -291,7 +291,7 @@ import { Component } from '@angular/core';
 import { CalculatorService } from './calculator.service';
 
 @Component({
-  selector: 'app-receipt’,
+  selector: 'app-receipt',
   template: `<h1>The total is {{ totalCost }}</h1>`,
 })
 export class Receipt {