Dhruv Maindola

removed unnecessary (head != null) from line 282 and 291.

@parispittman @alisondy can you please review the grammatical changes? I'm a newbie in open source.

/assign @mrbobbytables

> The titles looks more consistent starting with uppercase letters. The changes that you made, i think they not affect the grammatical part. I understand that it doesn't affect grammatically...

@mrbobbytables I have removed the metadata headers change and remaining changes are still there.

@timandy @wenshao can you please approve this?