[monitoring-plugins] Merge pull request #1584 from DerDakon/typo

[GitHub]

    Module: monitoring-plugins
    Branch: master
    Commit: c0ff2b66e8baebee3bed23d02ae31470900bc45f
    Author: Sven Nierlein <sven at nierlein.org>
 Committer: GitHub <noreply at github.com>
      Date: Fri Feb 15 18:01:51 2019 +0100
       URL: https://www.monitoring-plugins.org/repositories/monitoring-plugins/commit/?id=c0ff2b6

Merge pull request #1584 from DerDakon/typo

check_dns: fix typo in parameter description

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