docs: Fix grammatical errors

[vinayak42]

Fixes

Checklist

• I have made a material change to the repo (functionality, testing, spelling, grammar)
• I have read the [Contribution Guide] and my PR follows them.
• I updated my branch with the master branch.
• I have added tests that prove my fix is effective or that my feature works
• I have added necessary documentation about the functionality in the appropriate .md file
• I have added in line documentation to the code I modified

Short description of what this PR does:

• Fix grammatical errors in comments

If you have questions, please send an email to SendGrid, or file a GitHub Issue in this repository.

[codecov]

Codecov Report

Merging #706 into master will not change coverage by %.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #706   +/-   ##
=======================================
  Coverage   82.41%   82.41%           
=======================================
  Files          70       70           
  Lines        2303     2303           
  Branches      338      338           
=======================================
  Hits         1898     1898           
  Misses        206      206           
  Partials      199      199           

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[misterdorm]

Would you please rebase this against the v4 branch? Thanks!

[thinkingserious]

Hello @vinayak42,

Thanks again for the PR!

It's HACKTOBERFEST! We want to show our appreciation by sending you some special Hacktoberfest swag. If you have not already, could you please fill out this form so we can send it to you? Thanks!

Team SendGrid DX

[vinayak42]

@thinkingserious @misterdorm Apologies for the inconvenience. I am having some issues about rebasing this to v4. Could you trace the exact steps/commands to do the same in GitHub?

[misterdorm]

@vinayak42 It's probably easiest to start with a new branch, branched from v4, and then merge/apply your commits onto that branch. And then force push to this PR.

[vinayak42]

@misterdorm Thanks for the info.
On a side note, I noticed that my username no longer appears on the SendGrid Leaderboard, as it used to, a few days ago. Kindly look into the matter. Thanks

[misterdorm]

I know that they are still tabulating the final scores, etc., so there may be some inaccuracies on that page.

[thinkingserious]

Hello @vinayak42,

Do you mind re-submitting this PR against the v4 branch?

Thanks!

Elmer