Fix missing description on enable bootstrap timeline accounts toggle in admin UI (#15367)

app/views/admin/settings/edit.html.haml

@@ -50,7 +50,8 @@
   %hr.spacer/
 
   .fields-group
-    = f.input :enable_bootstrap_timeline_accounts, as: :boolean, wrapper: :with_label, label: t('admin.settings.enable_bootstrap_timeline_accounts.title')
+    = f.input :enable_bootstrap_timeline_accounts, as: :boolean, wrapper: :with_label, label: t('admin.settings.enable_bootstrap_timeline_accounts.title'), hint: t('admin.settings.enable_bootstrap_timeline_accounts.desc_html')
+
   .fields-group
     = f.input :bootstrap_timeline_accounts, wrapper: :with_block_label, label: t('admin.settings.bootstrap_timeline_accounts.title'), hint: t('admin.settings.bootstrap_timeline_accounts.desc_html'), disabled: !Setting.enable_bootstrap_timeline_accounts
 

config/locales/en.yml

@@ -566,6 +566,7 @@ en:
       domain_blocks_rationale:
         title: Show rationale
       enable_bootstrap_timeline_accounts:
+        desc_html: Make new users automatically follow configured accounts so their home feed doesn't start out empty
         title: Enable default follows for new users
       hero:
         desc_html: Displayed on the frontpage. At least 600x100px recommended. When not set, falls back to server thumbnail