--- a/dom/locales/en-US/chrome/dom/dom.properties
+++ b/dom/locales/en-US/chrome/dom/dom.properties
@@ -119,17 +119,17 @@ NoExposedPropsWarning=Exposing chrome JS
 MutationEventWarning=Use of Mutation Events is deprecated. Use MutationObserver instead.
 # LOCALIZATION NOTE: Do not translate "Components"
 ComponentsWarning=The Components object is deprecated. It will soon be removed.
 PluginHangUITitle=Warning: Unresponsive plugin
 PluginHangUIMessage=%S may be busy, or it may have stopped responding. You can stop the plugin now, or you can continue to see if the plugin will complete.
 PluginHangUIWaitButton=Continue
 PluginHangUIStopButton=Stop plugin
 # LOCALIZATION NOTE: Do not translate "mozHidden", "mozVisibilityState", "hidden", or "visibilityState"
-PrefixedVisibilityApiWarning='mozHidden' and 'mozVisibilityState' are deprecated.  Please use the unprefixed 'hidden' and 'visibilityState' instead.
+PrefixedVisibilityAPIWarning='mozHidden' and 'mozVisibilityState' are deprecated.  Please use the unprefixed 'hidden' and 'visibilityState' instead.
 # LOCALIZATION NOTE: Do not translate "NodeIterator" or "detach()".
 NodeIteratorDetachWarning=Calling detach() on a NodeIterator no longer has an effect.
 # LOCALIZATION NOTE: Do not translate "LenientThis" and "this"
 LenientThisWarning=Ignoring get or set of property that has [LenientThis] because the "this" object is incorrect.
 # LOCALIZATION NOTE: Do not translate "nsIDOMWindowUtils", "getWindowWithOuterId", or "nsIWindowMediator"
 GetWindowWithOuterIdWarning=Use of nsIDOMWindowUtils.getOuterWindowWithId() is deprecated.  Instead, use the nsIWindowMediator method of the same name.
 # LOCALIZATION NOTE: Do not translate "getPreventDefault" or "defaultPrevented".
 GetPreventDefaultWarning=Use of getPreventDefault() is deprecated.  Use defaultPrevented instead.

--- a/webapprt/locales/en-US/webapprt/overrides/dom.properties
+++ b/webapprt/locales/en-US/webapprt/overrides/dom.properties
@@ -115,17 +115,17 @@ NoExposedPropsWarning=Exposing chrome JS
 MutationEventWarning=Use of Mutation Events is deprecated. Use MutationObserver instead.
 # LOCALIZATION NOTE: Do not translate "Components"
 ComponentsWarning=The Components object is deprecated. It will soon be removed.
 PluginHangUITitle=Warning: Unresponsive plugin
 PluginHangUIMessage=%S may be busy, or it may have stopped responding. You can stop the plugin now, or you can continue to see if the plugin will complete.
 PluginHangUIWaitButton=Continue
 PluginHangUIStopButton=Stop plugin
 # LOCALIZATION NOTE: Do not translate "mozHidden", "mozVisibilityState", "hidden", or "visibilityState"
-PrefixedVisibilityApiWarning='mozHidden' and 'mozVisibilityState' are deprecated. Please use the unprefixed 'hidden' and 'visibilityState' instead.
+PrefixedVisibilityAPIWarning='mozHidden' and 'mozVisibilityState' are deprecated. Please use the unprefixed 'hidden' and 'visibilityState' instead.
 # LOCALIZATION NOTE: Do not translate "NodeIterator" or "detach()".
 NodeIteratorDetachWarning=Calling detach() on a NodeIterator no longer has an effect.
 # LOCALIZATION NOTE: Do not translate "LenientThis" and "this"
 LenientThisWarning=Ignoring get or set of property that has [LenientThis] because the "this" object is incorrect.
 # LOCALIZATION NOTE: Do not translate "nsIDOMWindowUtils", "getWindowWithOuterId", or "nsIWindowMediator"
 GetWindowWithOuterIdWarning=Use of nsIDOMWindowUtils.getOuterWindowWithId() is deprecated. Instead, use the nsIWindowMediator method of the same name.
 # LOCALIZATION NOTE: Do not translate "getPreventDefault" or "defaultPrevented".
 GetPreventDefaultWarning=Use of getPreventDefault() is deprecated. Use defaultPrevented instead.