Add the text "ofacceptancetesting"to article

[kmanish31]

• I have read freeCodeCamp's contribution guidelines.
• My pull request has a descriptive title (not a vague title like Update index.md)
• My pull request targets the master branch of freeCodeCamp.
• None of my changes are plagiarized from another source without proper attribution.
• My article does not contain shortened URLs or affiliate links.

If your pull request closes a GitHub issue, replace the XXXXX below with the issue number.

Closes #XXXXX

[ezioda004]

Hi,

Thanks for this pull request (PR).

Unfortunately, we are marking this PR invalid for hacktoberfest. We believe it does not follow the recommended guidelines:

Quality Standards

In line with Hacktoberfest value #2 (Quantity is fun, Quality is key), we have provided examples of the quality standards we encourage. This applies mainly to beginners.

PRs that are automated e.g. scripted opening PRs to remove whitespace / optimize images.
PRs that are disruptive e.g. taking someone else's branch/commits and making a PR.
PRs that are regarded by a project maintainer as a hindrance vs. helping.
Something that's clearly an attempt to simply +1 your PR count for October.
Learn more at https://hacktoberfest.digitalocean.com/details