Minor usability fix

In Contents, Index and Search this menu reads "...as New Page" so I
adjusted it.

Change-Id: I4e2f5ebfae56e51da38b5b97c7776270359da18a
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@nokia.com>

src/shared/help/bookmarkmanager.cpp

@@ -390,7 +390,7 @@ void BookmarkWidget::customContextMenuRequested(const QPoint &point)
         renameItem = menu.addAction(tr("Rename Folder"));
     } else {
         showItem = menu.addAction(tr("Show Bookmark"));
-        showItemNewTab = menu.addAction(tr("Show Bookmark in New Tab"));
+        showItemNewTab = menu.addAction(tr("Show Bookmark as New Page"));
         if (searchField->text().isEmpty()) {
             menu.addSeparator();
             removeItem = menu.addAction(tr("Delete Bookmark"));