diff --git a/clients/quartz/config/config.cpp b/clients/quartz/config/config.cpp
index f3eb9d291d..8c7070b9d0 100644
--- a/clients/quartz/config/config.cpp
+++ b/clients/quartz/config/config.cpp
@@ -44,7 +44,7 @@ QuartzConfig::QuartzConfig( KConfig* conf, QWidget* parent )
 						"drawn using normal border colors instead.") );
 	cbExtraSmall = new QCheckBox( i18n("Quartz &extra slim"), gb );
 	QWhatsThis::add( cbExtraSmall,
-		i18n("Quartz window decorations with extra small title bar.") );
+		i18n("Quartz window decorations with extra-small title bar.") );
 	// Load configuration options
 	load( conf );