diff --git a/apps/spreadsheeteditor/mobile/locale/en.json b/apps/spreadsheeteditor/mobile/locale/en.json
index 4c03004e6..405750adb 100644
--- a/apps/spreadsheeteditor/mobile/locale/en.json
+++ b/apps/spreadsheeteditor/mobile/locale/en.json
@@ -68,6 +68,7 @@
     "Main": {
       "criticalErrorTitle": "Error",
       "errorAccessDeny": "You are trying to perform an action you do not have rights for.<br>Please, contact your admin.",
+      "errorOpensource": "Using the free Community version, you can open documents for viewing only. To access mobile web editors, a commercial license is required.",
       "errorProcessSaveResult": "Saving is failed.",
       "errorServerVersion": "The editor version has been updated. The page will be reloaded to apply the changes.",
       "errorUpdateVersion": "The file version has been changed. The page will be reloaded.",