Thanks to the verbose flag (-v) you should see a full list of all of the files which would be transferred, as well as the final note on the last two lines:
-'mergehistory-header' => 'Wii xët day tax nga man a boole sumb yépp yi ne ci jaar-jaaruw xët (di ko wax it xëtu gongikuwaay) ak jaar-jaaru weneen xët wu mujj.