Vague and general oral reprimands should not be given about behavior and especially not about a so-called bad attitude.

Oral Reprimands

Verbal corrections or scoldings given by a superior to an employee or subordinate as a form of disciplinary action.

Vague

Lacking in clearness or definiteness; difficult to understand or ascertain.

Behavior

The behavior or responses of a person or system triggered by external or internal prompts.