- Clarify that extra ACs are approved by TC and I18n SIG proposes.
- Better explain that I18n team welcomes open discussions
so contacting via open communiation channels is better than
private/direct contact to I18n SIG Chair.
Change-Id: Id71fff996a961d4e2867fc7642731c2d85c2e1cb
Signed-off-by: Ian Y. Choi <ianyrchoi@gmail.com>