Improve design management not available message

app/views/projects/issues/_design_management.html.haml

@@ -3,7 +3,7 @@
 - requirements_link_url = help_page_path('user/project/issues/design_management', anchor: 'requirements')
 - requirements_link_start = '<a href="%{url}" target="_blank" rel="noopener noreferrer">'.html_safe % { url: requirements_link_url }
 - link_end = '</a>'.html_safe
-- enable_lfs_message = s_("DesignManagement|To upload designs, you'll need to enable LFS. %{requirements_link_start}More information%{requirements_link_end}").html_safe % { requirements_link_start: requirements_link_start, requirements_link_end: link_end }
+- enable_lfs_message = s_("DesignManagement|To upload designs, you'll need to enable LFS and have admin enable hashed storage. %{requirements_link_start}More information%{requirements_link_end}").html_safe % { requirements_link_start: requirements_link_start, requirements_link_end: link_end }
 
 - if @project.design_management_enabled?
   .js-design-management{ data: { project_path: @project.full_path, issue_iid: @issue.iid, issue_path: project_issue_path(@project, @issue) } }

changelogs/unreleased/41818.yml

+---
+title: Improve design management not available message
+merge_request: 41818
+author: Ben Bodenmiller @bbodenmiller
+type: fixed

locale/gitlab.pot

@@ -8794,7 +8794,7 @@ msgstr ""
 msgid "DesignManagement|The maximum number of designs allowed to be uploaded is %{upload_limit}. Please try again."
 msgstr ""
 
-msgid "DesignManagement|To upload designs, you'll need to enable LFS. %{requirements_link_start}More information%{requirements_link_end}"
+msgid "DesignManagement|To upload designs, you'll need to enable LFS and have admin enable hashed storage. %{requirements_link_start}More information%{requirements_link_end}"
 msgstr ""
 
 msgid "DesignManagement|Unresolve thread"

spec/features/projects/issues/design_management/user_uploads_designs_spec.rb

@@ -38,7 +38,7 @@ RSpec.describe 'User uploads new design', :js do
     let(:feature_enabled) { false }
 
     it 'shows the message about requirements' do
-      expect(page).to have_content("To upload designs, you'll need to enable LFS.")
+      expect(page).to have_content("To upload designs, you'll need to enable LFS and have admin enable hashed storage.")
     end
   end