Merge pull request #13545 from opf/fix/wording-of-file-link-migration…

…-journal-entry

Improve wording of journal entry of migration step adding existing file links

config/locales/en.yml

@@ -1510,7 +1510,7 @@ en:
 
     caused_changes:
       dates_changed: "Dates changed"
-      system_update: "OpenProject update"
+      system_update: "OpenProject system update:"
 
     cause_descriptions:
       work_package_predecessor_changed_times: by changes to predecessor %{link}
@@ -1527,7 +1527,9 @@ en:
           working: "%{date} is now working"
           non_working: "%{date} is now non-working"
       system_update:
-        file_links_journal: 'added File links to Activities'
+        file_links_journal: >
+          From now on, activity related to file links (files stored in external storages) will appear here in the
+          Activity tab. The following represent activity concerning links that already existed:
 
 
   links: