new file mode 100644
--- /dev/null
+++ b/browser/browser/appMenuNotifications.ftl
@@ -0,0 +1,42 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+appmenu-update-available =
+    .label = A new { -brand-shorter-name } update is available.
+    .buttonlabel = Download Update
+    .buttonaccesskey = D
+    .secondarybuttonlabel = Not Now
+    .secondarybuttonaccesskey = N
+appmenu-update-available-message = Update your { -brand-shorter-name } for the latest in speed and privacy.
+appmenu-update-manual =
+    .label = { -brand-shorter-name } can’t update to the latest version.
+    .buttonlabel = Download { -brand-shorter-name }
+    .buttonaccesskey = D
+    .secondarybuttonlabel = Not Now
+    .secondarybuttonaccesskey = N
+appmenu-update-manual-message = Download a fresh copy of { -brand-shorter-name } and we’ll help you to install it.
+appmenu-update-whats-new =
+    .value = See what’s new.
+appmenu-update-restart =
+    .label = Restart to update { -brand-shorter-name }.
+    .buttonlabel = Restart and Restore
+    .buttonaccesskey = R
+    .secondarybuttonlabel = Not Now
+    .secondarybuttonaccesskey = N
+appmenu-update-restart-message = After a quick restart, { -brand-shorter-name } will restore all your open tabs and windows that are not in Private Browsing mode.
+appmenu-addon-private-browsing-installed =
+    .buttonlabel = Okay, Got It
+    .buttonaccesskey = O
+appmenu-addon-post-install-message = Manage your add-ons by clicking <image data-l10n-name='addon-install-icon'></image> in the <image data-l10n-name='addon-menu-icon'></image> menu.
+appmenu-addon-post-install-incognito-checkbox =
+    .label = Allow this extension to run in Private Windows
+    .accesskey = A
+appmenu-addon-private-browsing =
+    .label = Change to extensions in Private Windows
+    .buttonlabel = Manage Extensions
+    .buttonaccesskey = M
+    .secondarybuttonlabel = Okay, Got It
+    .secondarybuttonaccesskey = O
+appmenu-addon-private-browsing-message = Any new extensions you add to { -brand-shorter-name } won’t work in Private Windows unless you allow this in the settings.
+appmenu-addon-private-browsing-learn-more = Learn how to manage extension settings

--- a/browser/chrome/browser/browser.dtd
+++ b/browser/chrome/browser/browser.dtd
@@ -1102,16 +1102,17 @@ you can use these alternative items. Oth
 
 <!ENTITY updateAvailable.message "Update your &brandShorterName; for the latest in speed and privacy.">
 <!ENTITY updateAvailable.whatsnew.label "See what’s new.">
 <!ENTITY updateAvailable.header.message "A new &brandShorterName; update is available.">
 <!ENTITY updateAvailable.acceptButton.label "Download Update">
 <!ENTITY updateAvailable.acceptButton.accesskey "D">
 <!ENTITY updateAvailable.cancelButton.label "Not Now">
 <!ENTITY updateAvailable.cancelButton.accesskey "N">
+
 <!ENTITY updateAvailable.panelUI.label "Download &brandShorterName; update">
 
 <!ENTITY updateManual.message "Download a fresh copy of &brandShorterName; and we’ll help you to install it.">
 <!ENTITY updateManual.whatsnew.label "See what’s new.">
 <!ENTITY updateManual.header.message "&brandShorterName; can’t update to the latest version.">
 <!ENTITY updateManual.acceptButton.label "Download &brandShorterName;">
 <!ENTITY updateManual.acceptButton.accesskey "D">
 <!ENTITY updateManual.cancelButton.label "Not Now">