Using plain English and consistent wording on buttons and error messages helps...

https://noon-wiki.win/index.php/Why_Long_Paragraphs_Don%E2%80%99t_Work_on_Mobile:_A_UX_Writing_Perspective

Using plain English and consistent wording on buttons and error messages helps users understand what to do next without second-guessing. Clear, familiar language makes menus easier to scan and the onboarding process feel straightforward