[monitoring-plugins] check_dns: fix typo in parameter description

[Rolf Eike Beer]

 Module: monitoring-plugins
 Branch: master
 Commit: 763eb740b3240458cbb9ed6c6356bfc5b9a18e71
 Author: Rolf Eike Beer <eike at sf-mail.de>
   Date: Fri Feb 15 17:31:29 2019 +0100
    URL: https://www.monitoring-plugins.org/repositories/monitoring-plugins/commit/?id=763eb74

check_dns: fix typo in parameter description

---

 plugins/check_dns.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/plugins/check_dns.c b/plugins/check_dns.c
index 25bd31d..d4d0b88 100644
--- a/plugins/check_dns.c
+++ b/plugins/check_dns.c
@@ -554,7 +554,7 @@ print_help (void)
   printf (" -c, --critical=seconds\n");
   printf ("    %s\n", _("Return critical if elapsed time exceeds value. Default off"));
   printf (" -L, --all\n");
-  printf ("    %s\n", _("Return critical the list of expected addresses does not match all addresses"));
+  printf ("    %s\n", _("Return critical if the list of expected addresses does not match all addresses"));
   printf ("    %s\n", _("returned. Default off"));
 
   printf (UT_CONN_TIMEOUT, DEFAULT_SOCKET_TIMEOUT);