Private Sub CommandButton1_Click()
Cmt = Sheets("Feuil1").Cells(1, 1).Value
With Sheets("Feuil1").Cells(1, 2)
If .Comment Is Nothing Then .AddComment
.Comment.Text Text:=IIf(.Comment.Text <> "", .Comment.Text & Chr(10) & Cmt, Cmt)
.Comment.Shape.TextFrame.AutoSize = True
End With
End Sub