Bug 335308 [JFace] JavaDoc of ControlDecoration#setDescriptionText is wrong
bundles/org.eclipse.jface/src/org/eclipse/jface/fieldassist/ControlDecoration.java
/**
	 * Debug flag for tracing
	 */
	private static boolean DEBUG = false;
	/**
	 * Cached platform flag for dealing with platform-specific issue:
	 * https://bugs.eclipse.org/bugs/show_bug.cgi?id=219326 : Shell with custom region and SWT.NO_TRIM still has border
	 */
	private static boolean MAC = Util.isMac();
	/**
	 * The associated control
	 */
	private Control control;
	/**
	 * The composite on which to render the decoration and hook mouse events, or
	 * null if we are hooking all parent composites.
	 */
	private Composite composite;
	/**
	 * The associated image.
	 */
	private Image image;
	/**
	 * The associated description text.
	 */
	private String descriptionText;
	/**
	 * The position of the decoration.