diff --git a/doc/puppet_classes/confdroid_nrpe_3A_3Acommands_3A_3Adefinition_rules.html b/doc/puppet_classes/confdroid_nrpe_3A_3Acommands_3A_3Adefinition_rules.html
index 25d4061..2bb4ef3 100644
--- a/doc/puppet_classes/confdroid_nrpe_3A_3Acommands_3A_3Adefinition_rules.html
+++ b/doc/puppet_classes/confdroid_nrpe_3A_3Acommands_3A_3Adefinition_rules.html
@@ -256,7 +256,7 @@ class confdroid_nrpe::commands::definition_rules (
     confdroid_nrpe::commands::definitions { 'check_fail2ban':
       ne_check_name    => 'check_fail2ban',
       ne_check_cmd     => 'check_procs',
-      ne_cmd_argstring => '-c $ARG1$ -a $ARG2$',
+      ne_cmd_argstring => '-c $ARG1$ -C $ARG2$',
     }
     confdroid_nrpe::commands::definitions { 'check_alloy':
       ne_check_name    => 'check_alloy',