keyboard shortcuts overlay does not specify super+L for lockscreen

(Long) Pressing the super (aka "windows") key displays the "Keyboard Shortcuts" overlay. However, this summary does not show that Super+L is now a shortcut for locking the screen.

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: unity 7.1.2+14.04.20140303-0ubuntu1
ProcVersionSignature: Ubuntu 3.13.0-14.34-generic 3.13.5
Uname: Linux 3.13.0-14-generic i686
NonfreeKernelModules: nvidia
ApportVersion: 2.13.2-0ubuntu5
Architecture: i386
CompizPlugins: [core,composite,opengl,compiztoolbox,decor,vpswitch,snap,mousepoll,resize,place,move,wall,grid,regex,imgpng,session,gnomecompat,animation,fade,unitymtgrabhandles,workarounds,scale,expo,ezoom,unityshell]
CurrentDesktop: Unity
Date: Wed Mar 5 09:55:53 2014
InstallationDate: Installed on 2010-10-21 (1231 days ago)
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release i386 (20101007)
SourcePackage: unity
UpgradeStatus: Upgraded to trusty on 2013-11-01 (123 days ago)