i8n

app/views/shared/milestones/_deprecation_message.html.haml

 .milestone-deprecation-message.prepend-top-default.prepend-left-default
   .illustration.inline= image_tag 'illustrations/milestone_removing-page.svg', class: 'append-right-default'
-  .inline.vertical-align-middle.text-container
-    %strong This page will be removed in a future release.
+  .inline.vertical-align-middle
+    %strong= _('This page will be removed in a future release.')
     %p.append-bottom-default.prepend-top-5
-      Use group milestones to manage issues from multiple projects in the same milestone.
+      = _('Use group milestones to manage issues from multiple projects in the same milestone.')
       %br
-      = button_tag 'Promote these project milestones into a group milestone.', class: 'btn-link'
-
-    .popup.hide
-      .body
-        %ol.instructions-list
-          %li
-            Click any
-            %strong project name
-            in the project list below to navigate to the project milestone.
+      = button_tag _('Promote these project milestones into a group milestone.'), class: 'btn-link popover-link'
+    %div= link_to _('Learn more'), help_page_url('user/project/milestones/index', anchor: 'promoting-project-milestones-to-group-milestones'), class: 'btn btn-default'
+  
+  %script.milestone-deprecation-message-template{ type: 'text/template' }
+    %ol.instructions-list.append-bottom-0
+      %li= _('Click any <strong>project name</strong> in the project list below to navigate to the project milestone.')
+      %li= _('Click the <strong>Promote</strong> button in the top right corner to promote it to a group milestone.')
+    .footer= link_to _('Learn more'), help_page_url('user/project/milestones/index', anchor: 'promoting-project-milestones-to-group-milestones'), class: 'btn-link'
\ No newline at end of file
-          %li
-            Click the
-            %strong Promote
-            button in the top right corner to promote it to a group milestone.
-      .footer= link_to 'Learn more', help_page_url('user/project/milestones/index', anchor: 'promoting-project-milestones-to-group-milestones'), class: 'btn-link'
-
-    %div= link_to 'Learn more', help_page_url('user/project/milestones/index', anchor: 'promoting-project-milestones-to-group-milestones'), class: 'btn btn-default'