website: open source

website/source/intro/index.html.markdown

@@ -15,7 +15,7 @@ you can get started with it. If you're already familiar with Packer, the
 
 ## What is Packer?
 
-Packer is a tool for creating identical machine images for multiple platforms
+Packer is an open source tool for creating identical machine images for multiple platforms
 from a single source configuration. Packer is lightweight, runs on every major
 operating system, and is highly performant, creating machine images for
 multiple platforms in parallel. Packer does not replace configuration management