Bug 901487 - Inconsistent spelling of "add-ons" in about:addons override for Metro, improve l10n structure of sentence.r=mbrubeck

browser/metro/base/content/pages/aboutAddons.xhtml

@@ -26,8 +26,9 @@
       </div>
       <div id="aboutAddonsTextBody">
         &aboutAddons.message;
-        &aboutAddons.goBackToStart;
-        <a href="about:start">&aboutAddons.startPageLinkTitle;</a>
+        &aboutAddons.goBackToStartStart;
+        <a href="about:start">&aboutAddons.goBacktoStartLink;</a>
+        &aboutAddons.goBacktoStartEnd;
       </div>
     </div>
   </div>

browser/metro/locales/en-US/chrome/aboutAddons.dtd

@@ -6,8 +6,13 @@
      SYSTEM "chrome://branding/locale/brand.dtd">
    %brandDTD;
 
-<!ENTITY aboutAddons.title              "Addons are a Work In Progress">
+<!ENTITY aboutAddons.title              "&brandShortName; Add-ons are a Work In Progress">
 <!ENTITY aboutAddons.messageTitle       "Uh-Oh!">
-<!ENTITY aboutAddons.message            "Sorry, &brandShortName; is busy working on supporting Add-ons for you!">
-<!ENTITY aboutAddons.goBackToStart      "Go back to the ">
-<!ENTITY aboutAddons.startPageLinkTitle "&brandShortName; Start Page.">
+<!ENTITY aboutAddons.message            "Sorry, &brandShortName; is busy working on supporting add-ons for you.">
+<!-- LOCALIZATION NOTE (aboutAddons.goBackToStartStart, aboutAddons.goBacktoStartLink, aboutAddons.goBacktoStartEnd):
+     These three entities form a single sentence. aboutAddons.goBackToStartStart is the start of the sentence,
+     aboutAddons.goBacktoStartLink is a clickable link the middle and aboutAddons.goBacktoStartEnd is the end of the sentence.
+     -->
+<!ENTITY aboutAddons.goBackToStartStart "Go back to the ">
+<!ENTITY aboutAddons.goBacktoStartLink  "&brandShortName; Start Page">
+<!ENTITY aboutAddons.goBacktoStartEnd   ".">