Modifier la taille d'un champ ckeditor

CKEDITOR.replace( 'pdescription',
	{
		extraPlugins : 'bbcode',
		removePlugins : 'bidi,button,dialogadvtab,div,filebrowser,flash,format,forms,horizontalrule,iframe,indent,justify,liststyle,pagebreak,showborders,stylescombo,table,tabletools,templates',
		toolbar :
		[
			['FontSize', 'Bold', 'Italic','Underline'],
			['TextColor', '-', 'SpecialChar', '-', 'Maximize'],
			['Undo','Redo']
		]
		
		
	});