fix params

manifests/params.pp

@@ -3,6 +3,7 @@
 # Author: Arne Teuke (arne_teuke@confdroid.com)
 # @param  [string] reqpackages which packages to install
 # @param  [string] pkg_ensure  'latest' or 'present'
+# @param [string] ay_loki_url the url where alloy will send logs to.
 # @param [string] ay_loki_username the username to logon to loki
 # @param [string] ay_loki_userpass the password to logon to loki
 # @summary Class contains all parameters for the cd_alloy module.