Fix typo: adivsed -> advised
What does this MR do?
Fixes typo on FE dev practices page in documentation: https://docs.gitlab.com/ce/development/fe_guide/development_process.html#merge-request-review
Fixes typo on FE dev practices page in documentation: https://docs.gitlab.com/ce/development/fe_guide/development_process.html#merge-request-review