--- a/browser/branding/nightly/pref/firefox-branding.js
+++ b/browser/branding/nightly/pref/firefox-branding.js
@@ -10,20 +10,20 @@ pref("app.update.interval", 7200); // 2 
 // The time interval between the downloading of mar file chunks in the
 // background (in seconds)
 // 0 means "download everything at once"
 pref("app.update.download.backgroundInterval", 0);
 // Give the user x seconds to react before showing the big UI. default=12 hours
 pref("app.update.promptWaitTime", 43200);
 // URL user can browse to manually if for some reason all update installation
 // attempts fail.
-pref("app.update.url.manual", "https://nightly.mozilla.org");
+pref("app.update.url.manual", "https://www.mozilla.org/%LOCALE%/firefox/nightly/");
 // A default value for the "More information about this update" link
 // supplied in the "An update is available" page of the update wizard.
-pref("app.update.url.details", "https://nightly.mozilla.org");
+pref("app.update.url.details", "https://www.mozilla.org/%LOCALE%/firefox/nightly/notes/");
 
 pref("app.releaseNotesURL", "https://www.mozilla.org/%LOCALE%/firefox/%VERSION%/releasenotes/?utm_source=firefox-browser&utm_medium=firefox-browser&utm_campaign=whatsnew");
 
 // The number of days a binary is permitted to be old
 // without checking for an update.  This assumes that
 // app.update.checkInstallTime is true.
 pref("app.update.checkInstallTime.days", 2);