Dismissal on the grounds of poor performance

Letter regarding dismissal on the grounds of capability (poor performance), 

Dear [ ]

DISMISSAL

At a meeting on [date] you were informed that [name] was considering dismissing you.

Your performance was discussed with you previously at [meeting(s)] [hearing(s)] on [date(s)] and it was made to clear to you what you had to do to improve your performance. Despite this, your performance has not improved regarding [set out details] as was agreed at the [meeting] [hearing] of [date] and by letter of [date].