update log

Author: Zhao Wang

brainframe/cli/translations/update.en.yml

@@ -15,5 +15,5 @@ en:
   version-failing: "You have BrainFrame:%{existing_version} installed already.
   The latest version we found on updating server is
   BrainFrame:%{upgrade_version}. We don't recommend downgrading BrainFrame
-  for stability reasons. This request will be ignored. But you can force to
+  for data integrity reasons. This request will be ignored. But you can force to
   downgrade by appending --downgrade flag."