Index: /trunk/src/VBox/Frontends/VirtualBox/src/widgets/UIMediumSizeEditor.cpp
===================================================================
--- /trunk/src/VBox/Frontends/VirtualBox/src/widgets/UIMediumSizeEditor.cpp	(revision 68016)
+++ /trunk/src/VBox/Frontends/VirtualBox/src/widgets/UIMediumSizeEditor.cpp	(revision 68017)
@@ -55,4 +55,5 @@
     /* Remember the new size: */
     m_uSize = uSize;
+
     /* And assign it to the slider & editor: */
     m_pSlider->blockSignals(true);
@@ -62,4 +63,7 @@
     m_pEditor->setText(vboxGlobal().formatSize(m_uSize));
     m_pEditor->blockSignals(false);
+
+    /* Update the tool-tips: */
+    updateSizeToolTips(m_uSize);
 }