diff --git a/aio/content/guide/dynamic-form.md b/aio/content/guide/dynamic-form.md
index a1ec9b3a64..16efbd5890 100644
--- a/aio/content/guide/dynamic-form.md
+++ b/aio/content/guide/dynamic-form.md
@@ -37,7 +37,7 @@ See the <live-example name="dynamic-form"></live-example>.
 
 Before doing this tutorial, you should have a basic understanding to the following.
 
-* [TypeScript](https://www.typescriptlang.org/docs/home.html "The TypeScript language") and HTML5 programming.
+* [TypeScript](https://www.typescriptlang.org/ "The TypeScript language") and HTML5 programming.
 
 * Fundamental concepts of [Angular app design](guide/architecture "Introduction to Angular app-design concepts").
 
diff --git a/aio/content/guide/form-validation.md b/aio/content/guide/form-validation.md
index afee5077f0..4de47d8ab7 100644
--- a/aio/content/guide/form-validation.md
+++ b/aio/content/guide/form-validation.md
@@ -8,7 +8,7 @@ in both reactive and template-driven forms.
 
 Before reading about form validation, you should have a basic understanding of the following.
 
-* [TypeScript](https://www.typescriptlang.org/docs/home.html "The TypeScript language") and HTML5  programming.
+* [TypeScript](https://www.typescriptlang.org/ "The TypeScript language") and HTML5  programming.
 
 * Fundamental concepts of [Angular app design](guide/architecture "Introduction to Angular app-design concepts").
 
diff --git a/aio/content/guide/forms-overview.md b/aio/content/guide/forms-overview.md
index 2de4977686..de85ca52f8 100644
--- a/aio/content/guide/forms-overview.md
+++ b/aio/content/guide/forms-overview.md
@@ -10,7 +10,7 @@ This guide provides information to help you decide which type of form works best
 
 This guide assumes that you have a basic understanding of the following.
 
-* [TypeScript](https://www.typescriptlang.org/docs/home.html "The TypeScript language") and HTML5 programming.
+* [TypeScript](https://www.typescriptlang.org/ "The TypeScript language") and HTML5 programming.
 
 * Angular app-design fundamentals, as described in [Angular Concepts](guide/architecture "Introduction to Angular concepts.").
 
diff --git a/aio/content/guide/forms.md b/aio/content/guide/forms.md
index 3f1a1da9c3..dd6630d9d5 100644
--- a/aio/content/guide/forms.md
+++ b/aio/content/guide/forms.md
@@ -42,7 +42,7 @@ This tutorial teaches you how to do the following:
 
 Before going further into template-driven forms, you should have a basic understanding of the following.
 
-* TypeScript and HTML5 programming.
+* [TypeScript](https://www.typescriptlang.org/ "The TypeScript language") and HTML5 programming.
 * Angular app-design fundamentals, as described in [Angular Concepts](guide/architecture "Introduction to Angular concepts.").
 * The basics of [Angular template syntax](guide/template-syntax "Template syntax guide").
 * The form-design concepts that are presented in [Introduction to Forms](guide/forms-overview "Overview of Angular forms.").
diff --git a/aio/content/guide/reactive-forms.md b/aio/content/guide/reactive-forms.md
index 353b88bf65..c284381b8d 100644
--- a/aio/content/guide/reactive-forms.md
+++ b/aio/content/guide/reactive-forms.md
@@ -12,7 +12,7 @@ Try this <live-example title="Reactive Forms in Stackblitz">Reactive Forms live-
 
 Before going further into reactive forms, you should have a basic understanding of the following:
 
-* TypeScript programming.
+* [TypeScript](https://www.typescriptlang.org/ "The TypeScript language") programming.
 * Angular app-design fundamentals, as described in [Angular Concepts](guide/architecture "Introduction to Angular concepts.").
 * The form-design concepts that are presented in [Introduction to Forms](guide/forms-overview "Overview of Angular forms.").
 
diff --git a/aio/content/start/index.md b/aio/content/start/index.md
index d57e6895cb..1e03900db8 100644
--- a/aio/content/start/index.md
+++ b/aio/content/start/index.md
@@ -13,7 +13,7 @@ To get the most out of this tutorial you should already have a basic understandi
 
 * [HTML](https://developer.mozilla.org/en-US/docs/Learn/HTML "Learning HTML: Guides and tutorials")
 * [JavaScript](https://developer.mozilla.org/en-US/docs/Web/JavaScript "JavaScript")
-* [TypeScript](https://www.typescriptlang.org/docs/home.html "TypeScript documentation")
+* [TypeScript](https://www.typescriptlang.org/ "The TypeScript language")
 
 <hr />