Index: /trunk/src/org/openstreetmap/josm/actions/CreateMultipolygonAction.java
===================================================================
--- /trunk/src/org/openstreetmap/josm/actions/CreateMultipolygonAction.java	(revision 6720)
+++ /trunk/src/org/openstreetmap/josm/actions/CreateMultipolygonAction.java	(revision 6721)
@@ -65,6 +65,6 @@
     public CreateMultipolygonAction(final boolean update) {
         super(getName(update), "multipoly_create", getName(update),
-                update  ? null
-                        : Shortcut.registerShortcut("tools:multipoly", tr("Tool: {0}", getName(false)), KeyEvent.VK_A, Shortcut.ALT_CTRL),
+                update  ? Shortcut.registerShortcut("tools:multipoly_update", tr("Tool: {0}", getName(true)), KeyEvent.VK_B, Shortcut.CTRL_SHIFT)
+                        : Shortcut.registerShortcut("tools:multipoly_create", tr("Tool: {0}", getName(false)), KeyEvent.VK_B, Shortcut.CTRL),
                 true, update ? "multipoly_update" : "multipoly_create", true);
         this.update = update;