diff --git a/getting-started.md b/getting-started.md
index 89c605b55d8..8cc5b567fe4 100644
--- a/getting-started.md
+++ b/getting-started.md
@@ -8,11 +8,11 @@ permalink: /getting-started/
 
 This quickstart guide describes how to create and run your first Flutter app on iOS or Android.
 
-* [Before you begin](#before_you_begin)
-* [1. Create your first Flutter app](#1_create_your_first_flutter_app)
-* [2. Run your Flutter app](#2_run_your_flutter_app)
-* [3. View the logs](#3_view_the_logs)
-* [Next steps](#next_steps)
+* [Before you begin](#before-you-begin)
+* [1. Create your first Flutter app](#create-your-first-flutter-app)
+* [2. Run your Flutter app](#run-your-flutter-app)
+* [3. View the logs](#view-the-logs)
+* [Next steps](#next-steps)
 
 ## Before you begin
 
diff --git a/setup.md b/setup.md
index 37f4f8f6732..f3d56a03b07 100644
--- a/setup.md
+++ b/setup.md
@@ -8,11 +8,11 @@ permalink: /setup/
 This guide describes how to set up your development environment to run Flutter apps on
 iOS or Android.
 
-* [System requirements](#system_requirements)
-* [iOS setup](#ios_setup)
-* [Android setup](#android_setup)
-* [Get the Flutter SDK](#get_the_flutter_sdk)
-* [Atom editor](#atom_editor)
+* [System requirements](#system-requirements)
+* [iOS setup](#ios-setup)
+* [Android setup](#android-setup)
+* [Get the Flutter SDK](#get-the-flutter-sdk)
+* [Atom editor](#atom-editor)
 
 ## System requirements