docs(scheduler): appointment delete button details

Author: marin-bratanov

components/scheduler/appointments/edit.md

@@ -48,7 +48,7 @@ The UI for the scheduler provides the following options for interacting with the
     * An appointment that starts at 12AM on one day and ends at 12AM on the next day is considered an all-day appointment and so it will also render in the all-day slot.
     * To create an all-day appointment for a single day, the start and end dates must be the same. Selecting the next day in the end-time picker will result in a two-day appointment.
 * Double click (or double tap) on an appointment opens it for editing. The user can cancel the changes through the Cancel button or the [x] close button on the window.
-* Clicking (or tapping) the [x] button on the appointment itself deletes it.
+* Clicking (or tapping) the [x] button on the appointment itself deletes it. The [x] button is shown when the appointment is hovered to conserve space.
 * The built-in popup edit form implements validation logic that you can localize through your custom messages. The built-in logic works on the `IAppointment` that the scheduler uses internally, and if you want to implement custom validation, you need to implement a custom edit form. By default, a title, start and end time are required.
 * Arrows on the appointments indicate that they continue in invisible time ranges. For example, an arrow pointing down in an appointment at the end of the visible day indicates it continues until a later hour or until the next day(s). If an all-day appointment starts before the currently visible time range, it will show an arrow pointing left.
     * An appointment that spans multiple days but is not marked as an all-day appointment shows up in the all-day slot for the days that it spans entirely. The first and last day would render in the day portions to denote the start and end time accurately.