The ebuild discription for app-disc/myspell-nl claims it contains "Czech dictionaries for myspell/hunspell", which should obviously be Dutch dictionaries. The homepage is for the Czech version as well, that should probably be http://opentaal.org
*myspell-nl-2.10g (30 Jun 2012) 30 Jun 2012; Tomáš Chvátal <scarabeus@gentoo.org> +myspell-nl-2.10g.ebuild, -myspell-nl-20060316.ebuild, -myspell-nl-20070607.ebuild, -myspell-nl-20090725.ebuild: Version bump to latest upstream release. Track the version with upstream versioning scheme. Thanks to Qantourisc for the poke on this.
Fixed. Thanks for noticing that. :)