Rename link with milestone reference to scoped

ee/app/views/shared/promotions/_promote_issue_board.html.haml

@@ -14,7 +14,7 @@
         = link_to _('Multiple issue boards'), help_page_path('user/project/issue_board.html', anchor:'use-cases-for-multiple-issue-boards'), target: '_blank'
     - unless @project.feature_available?(:scoped_issue_board)
       %li
-        = link_to _('Issue boards with milestones'), help_page_path('user/project/issue_board.html', anchor:'board-with-a-milestone'), target: '_blank'
+        = link_to _('Scoped issue boards'), help_page_path('user/project/issue_board.html', anchor:'board-with-a-milestone'), target: '_blank'
     - unless @project.feature_available?(:issue_board_focus_mode)
       %li
         = link_to _('Issue board focus mode'), help_page_path('user/project/issue_board.html', anchor:'focus-mode'), target: '_blank'