Remove trailing whitespace
fix wrong case for a word
add a space between "find" and "an"
Merge pull request #1769 from davidsawyer/master

add a space between "find" and "an"
Update history to reflect merge of #1769
Merge pull request #1755 from gregkare/more_trailing_whitespace

Remove trailing whitespace
Update history to reflect merge of #1755
Merge pull request #1762 from yizeng/master

fix wrong case for a word
Update history to reflect merge of #1762