Update hello2.txt

Description of changes made for this pull request : 

Checklist : 

 	1) Is CROS Design Document impacted?

 	2) Is README.md impacted?

 	3) Javadocs updated?

 	4) New JUnit tests needed?

 	5) Ran all JUnit tests locally?

Reviewers :
	 @dmhenry @rbmueller @jpgrant @tsomal @jmas @guowendai @sturose