--- a/browser/locales/en-US/chrome/browser/browser.dtd
+++ b/browser/locales/en-US/chrome/browser/browser.dtd
@@ -273,17 +273,17 @@ These should match what Safari and other
 <!ENTITY webDeveloperMenu.accesskey   "W">
 
 <!ENTITY inspectContextMenu.label     "Inspect Element">
 <!ENTITY inspectContextMenu.accesskey "Q">
 
 <!ENTITY fileMenu.label         "File"> 
 <!ENTITY fileMenu.accesskey       "F">
 <!ENTITY newUserContext.label             "New Container Tab">
-<!ENTITY newUserContext.accesskey         "C">
+<!ENTITY newUserContext.accesskey         "B">
 <!ENTITY newNavigatorCmd.label        "New Window">
 <!ENTITY newNavigatorCmd.key        "N">
 <!ENTITY newNavigatorCmd.accesskey      "N">
 <!ENTITY newPrivateWindow.label     "New Private Window">
 <!ENTITY newPrivateWindow.accesskey "W">
 <!ENTITY newNonRemoteWindow.label   "New Non-e10s Window">
 
 <!ENTITY editMenu.label         "Edit">