Update _index.md

[Tperm-coder]

Fixed a typo

[CLAassistant]

Thank you for your submission! We really appreciate it. Like many open source projects, we ask that you all sign our Contributor License Agreement before we can accept your contribution.
2 out of 3 committers have signed the CLA.

✅ Tperm-coder
✅ chayim
❌ K-Jo
_{You have signed the CLA already but the status is still pending? Let us recheck it.}

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (90ba302) 78.38% compared to head (490eaad) 78.38%.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #1080   +/-   ##
=======================================
  Coverage   78.38%   78.38%           
=======================================
  Files          15       15           
  Lines        3873     3873           
=======================================
  Hits         3036     3036           
  Misses        837      837           

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

[chayim]

@Tperm-coder Can you sign the CLA (click the link above!), and we can merge this in? Thank you so much for this fix...

[Tperm-coder]

Fixed a typo