diff --git a/browser/locales/en-US/chrome/browser/browser.dtd b/browser/locales/en-US/chrome/browser/browser.dtd
index 9e48888198e8..d0f498a8f7eb 100644
--- a/browser/locales/en-US/chrome/browser/browser.dtd
+++ b/browser/locales/en-US/chrome/browser/browser.dtd
@@ -49,6 +49,10 @@
 <!ENTITY fullScreenMinimize.tooltip "Minimize">
 <!ENTITY fullScreenRestore.tooltip "Restore">
 <!ENTITY fullScreenClose.tooltip "Close">
+<!ENTITY fullScreenAutohide.label "Hide Toolbars">
+<!ENTITY fullScreenAutohide.accesskey "H">
+<!ENTITY fullScreenExit.label "Exit Full Screen Mode">
+<!ENTITY fullScreenExit.accesskey "F">
 
 <!ENTITY closeWindow.label "Close Window">
 <!ENTITY closeWindow.accesskey "d">