--- a/browser/base/content/aboutDialog.xul
+++ b/browser/base/content/aboutDialog.xul
@@ -60,17 +60,17 @@
               <hbox id="downloadAndInstall" align="center">
                 <button id="downloadAndInstallButton" align="start"
                         oncommand="gAppUpdater.doUpdate();"/>
                         <!-- label and accesskey will be filled by JS -->
                 <spacer flex="1"/>
               </hbox>
               <hbox id="apply" align="center">
                 <button id="updateButton" align="start"
-                        label="&update.updateButton.label;"
+                        label="&update.updateButton.label2;"
                         accesskey="&update.updateButton.accesskey;"
                         oncommand="gAppUpdater.buttonRestartAfterDownload();"/>
                 <spacer flex="1"/>
               </hbox>
               <hbox id="applyBillboard" align="center">
                 <button id="applyButtonBillboard" align="start"
                         label="&update.applyButtonBillboard.label;"
                         accesskey="&update.applyButtonBillboard.accesskey;"

--- a/browser/locales/en-US/chrome/browser/aboutDialog.dtd
+++ b/browser/locales/en-US/chrome/browser/aboutDialog.dtd
@@ -5,17 +5,17 @@
 
 <!-- LOCALIZATION NOTE (update.checkForUpdatesButton.*, update.updateButton.*, update.applyButtonBillboard.*):
 # Only one button is present at a time.
 # The button when displayed is located directly under the Firefox version in
 # the about dialog (see bug 596813 for screenshots).
 -->
 <!ENTITY update.checkForUpdatesButton.label       "Check for updates">
 <!ENTITY update.checkForUpdatesButton.accesskey   "C">
-<!ENTITY update.updateButton.label                "Restart to Update">
+<!ENTITY update.updateButton.label2                "Restart &brandShortName; to Update">
 <!ENTITY update.updateButton.accesskey            "R">
 <!ENTITY update.applyButtonBillboard.label        "Apply Update…">
 <!ENTITY update.applyButtonBillboard.accesskey    "A">
 
 
 <!-- LOCALIZATION NOTE (warningDesc.version): This is a warning about the experimental nature of Nightly and Aurora builds. It is only shown in those versions. -->
 <!ENTITY warningDesc.version        "&brandShortName; is experimental and may be unstable.">
 <!-- LOCALIZATION NOTE (warningDesc.telemetryDesc): This is a notification that Nightly/Aurora builds automatically send Telemetry data back to Mozilla. It is only shown in those versions. "It" refers to brandShortName. -->