Clarify that we only delete data, not the account

src/i18n/en.json

@@ -281,7 +281,7 @@
     "data_import_export_tab": "Data Import / Export",
     "default_vis": "Default visibility scope",
     "delete_account": "Delete Account",
-    "delete_account_description": "Permanently delete your account and all your messages.",
+    "delete_account_description": "Permanently delete your data and deactivate your account.",
     "delete_account_error": "There was an issue deleting your account. If this persists please contact your instance administrator.",
     "delete_account_instructions": "Type your password in the input below to confirm account deletion.",
     "discoverable": "Allow discovery of this account in search results and other services",