Fixed typo on string #57

[kant]

PR Checklist

• The PR title follows our guidelines: https://github.com/NativeScript/NativeScript/blob/master/CONTRIBUTING.md#commit-messages.
• There is an issue for the bug/feature this PR is for. To avoid wasting your time, it's best to open a suggestion issue first and wait for approval before working on it.
• All existing tests are passing
• Tests for the changes are included

What is the current behavior?

Fixed typo on string #57

What is the new behavior?

Fixed typo on string #57
Fixes/Implements/Closes #[Issue Number].
This PR do no close any former issue. Just fix a typo.

This PR do not break any code.

[VladimirAmiorkov]

Hi @kant ,

Thank you for your contribution.

In the future have in mind that using #(number) is source code commits relates the commit with the an issue of that number so avoid using that if the commit is not related to that specific issue. In this PR you are using #57 as a "row number" but in reality it will eventually relate the commit with an issue with number 57. We are going to handle this with a squash merge when the PR is ready for merge after its CI is cleared.

[tgpetrov]

Hi @kant
Since our CI checks can't be run on forked repository, I made a new PR with your commit, which is now merged.
Thank you for your contribution.