Article polishing

Author: VesaJuvonen

docs/spfx/set-up-your-development-environment.md

@@ -1,13 +1,13 @@
 ---
-title: Set up your SharePoint client-side web part development environment
+title: Set up your SharePoint Framework development environment
 ms.date: 12/11/2017
 ms.prod: sharepoint
 ---
 
 
-# Set up your SharePoint client-side web part development environment
+# Set up your SharePoint Framework development environment
 
-You can use Visual Studio, or your own custom development environment to build SharePoint client-side web parts. You can use a Mac, PC, or Linux.
+You can use Visual Studio, or your own custom development environment to build SharePoint Framework solutions. You can use a Mac, PC, or Linux.
 
 >**Note:** Before following the steps in this article, be sure to [Set up your Office 365 Tenant](./set-up-your-developer-tenant.md).
 

docs/spfx/web-parts/get-started/build-a-hello-world-web-part.md

@@ -1,5 +1,5 @@
 ---
-title: Build your first SharePoint client-side web part (Hello World part 1)
+title: Build your first SharePoint client-side web part (Hello world part 1)
 ms.date: 12/05/2017
 ms.prod: sharepoint
 ---

docs/spfx/web-parts/get-started/hosting-webpart-from-office-365-cdn.md

@@ -5,7 +5,7 @@ ms.prod: sharepoint
 ---
 
 
-# Hosting client-side web part from Office 365 CDN
+# Hosting client-side web part from Office 365 CDN (Hello world part 4)
 
 This article describes how to host your client-side web part from Office 365 CDN. Office 365 CDN provide you easy solution to host your assets directly from your own Office 365 tenant. It can be used for hosting any static assets, which are used in SharePoint Online.