the 'dontmerge' syspref has incorrect usage description, in Koha manual the following statement in Koha manual… 'dontmerge system preference set to 'Do' the next time the merge_authority.pl cronjob runs it will update all of the bib records that use that authority' should be corrected to… 'dontmerge system preference set to 'Don't' the next time the merge_authority.pl cronjob runs it will update all of the bib records that use that authority'