Bug 231738 Use title caps for English window titles p=durbacher@gmx.de r=varga sr=alecf (no l10n impact)

xpfe/components/bookmarks/resources/locale/en-US/bookmarks.dtd

@@ -36,7 +36,7 @@
 <!ENTITY button.newSeparator.label     "New Separator">
 <!ENTITY button.newSeparator.accesskey  "o">
 <!ENTITY command.newSeparator.accesskey "S">
-<!ENTITY menuitem.open.label           "Open Bookmark File...">
+<!ENTITY menuitem.open.label           "Open Bookmarks File...">
 <!ENTITY menuitem.open.accesskey       "O">
 <!ENTITY menuitem.import.label         "Import...">
 <!ENTITY menuitem.import.accesskey     "i">

xpfe/components/bookmarks/resources/locale/en-US/bookmarks.properties

@@ -79,9 +79,9 @@ ImportedIEStaticFavorites = Imported IE Favorites
 ImportedNetPositiveBookmarks = Imported NetPositive Bookmarks                   
 DefaultPersonalToolbarFolder = Personal Toolbar Folder                          
 
-SelectOpen = Open bookmark file:
-SelectImport = Import bookmark file:                                            
-EnterExport = Export bookmark file:                                             
+SelectOpen = Open Bookmarks File
+SelectImport = Import Bookmarks File
+EnterExport = Export Bookmarks File
 
 search_button_label = Find