Update set-up-your-development-environment.md (SharePoint#1873)

Author: paulpascha

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

@@ -32,7 +32,7 @@ Install [NodeJS LTS version](https://nodejs.org).
 - If you are using a Mac, we recommend that you use [homebrew](http://brew.sh/) to install and manage NodeJS. 
 
 > [!NOTE] 
-> Current LTS version of NodeJS is 8.9.4. Notice that 9.x versions are currently not supported with SharePoint Framework development.
+> Current LTS version of NodeJS is 8.11.2. Notice that 9.x versions are currently not supported with SharePoint Framework development.
 
 ### Install a code editor
 
@@ -103,4 +103,4 @@ Following are some tools that might come in handy as well:
 You are now ready to [build your first client-side web part](web-parts/get-started/build-a-hello-world-web-part.md)!
 
 > [!NOTE]
-> If you find an issue in the documentation or in the SharePoint Framework, report that to SharePoint engineering by using the [issue list at sp-dev-docs repository](https://github.com/SharePoint/sp-dev-docs/issues). Thanks for your input in advance.
+> If you find an issue in the documentation or in the SharePoint Framework, report that to SharePoint engineering by using the [issue list at sp-dev-docs repository](https://github.com/SharePoint/sp-dev-docs/issues). Thanks for your input in advance.