Separator between options is | instead of space

[NhanAZ]

This PR is made by me based on some trusted code like:

• https://github.com/dktapps-pm-pl/pmforms-demo/blob/master/plugin.yml#L12
• https://github.com/poggit-orphanage/EconomyS/blob/master/EconomyAuction/plugin.yml#L11
• https://github.com/PMPLS/simple-plugins/blob/master/SimplePermissions/plugin.yml#L9
• https://github.com/poggit-orphanage/EconomyS/blob/master/EconomyCasino/plugin.yml#L40
• https://github.com/poggit-orphanage/EconomyS/blob/master/EconomySell/plugin.yml#L12

Anyway. Thanks for reviewing the pull request. Wish you a good day.

[tgwaste]

Sorry, my bad I read it wrong.

[NhanAZ]

No problem. Good thing it was merged!