1. '오신것을' must have a space between '오신' and '것을'
2. <sting> -> '<strong>'
3. A meaningless grave accent exists
4. elaborate an ambiguous expression more concisely
5. remove a period which is not used in the base document
6. '관심있으신가요' has to have a space between '관심' and '있으신가요'
As index page is like a face of this project, any trivial spelling error
cannot be allowed.
Change-Id: Ie769e23bce348ddbe7c233a59c82fe7c51748057
b2a7733f36