This is added as per the recommendation from @guruz in #5252.
"CSync unknown error"
---------------------
-If you see this error message stop your client, delete the ``.csync_journal.db`` file, and then restart your client. There is a ``.csync_journal.db`` file inside the folder of every account configured on your client. See https://github.com/owncloud/client/issues/5226 for more discussion of this issue.
+If you see this error message stop your client, delete the
+``.csync_journal.db`` file, and then restart your client.
+There is a ``.csync_journal.db`` file inside the folder of every account
+configured on your client.
+
+.. NOTE::
+ Please note that this will also erase some of your settings about which
+ files to download.
+
+See https://github.com/owncloud/client/issues/5226 for more discussion of this
+issue.
Isolating other issues