add missing parameters to global class

Author: h0tw1r3

REFERENCE.md

@@ -1155,7 +1155,7 @@ Default value: `'present'`
 
 Data type: `Stdlib::Absolutepath`
 
-
+Puppet's config directory. Defaults to `/etc/puppetlabs/puppet`.
 
 Default value: `$settings::confdir`
 

manifests/globals.pp

@@ -4,6 +4,9 @@
 #   The version of the `puppetdb` package that should be installed. You may specify
 #   an explicit version number, 'present', or 'latest' (defaults to 'present').
 #
+# @param puppet_confdir
+#   Puppet's config directory. Defaults to `/etc/puppetlabs/puppet`.
+#
 class puppetdb::globals (
   $version                      = 'present',
   Stdlib::Absolutepath $puppet_confdir = $settings::confdir,