docs: fix missing single quote in docs

[AlberTajuelo]

@jusx @shine2lay ?

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 92.91%. Comparing base (07698d3) to head (e19395e).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #734 +/- ## ======================================= Coverage 92.91% 92.91% ======================================= Files 110 110 Lines 2878 2878 Branches 578 577 -1 ======================================= Hits 2674 2674 Misses 185 185 Partials 19 19 ```

:umbrella: View full report in Codecov by Sentry.
:loudspeaker: Have feedback on the report? Share it here.

[github-actions[bot]]

:tada: This PR is included in version 2.17.6 :tada:

The release is available on:

• npm package (@latest dist-tag)
• GitHub release

Your semantic-release bot :package::rocket: