typo error corrected.
* fix html tags in docs * revert not null
Co-authored-by: Clint Wylie <cjwylie@gmail.com> Co-authored-by: Victoria Lim <vtlim@users.noreply.github.com> Co-authored-by: Charles Smith <techdocsmith@gmail.com> Co-authored-by: brian.le <brian.le@imply.io>