Add new terminus_package_version parameter to REFERENCE.md

Author: XMol

REFERENCE.md

@@ -1143,6 +1143,7 @@ The following parameters are available in the `openvoxdb::master::config` class:
 * [`puppet_conf`](#-openvoxdb--master--config--puppet_conf)
 * [`masterless`](#-openvoxdb--master--config--masterless)
 * [`terminus_package`](#-openvoxdb--master--config--terminus_package)
+* [`terminus_package`](#-openvoxdb--master--config--terminus_package_version)
 * [`puppet_service_name`](#-openvoxdb--master--config--puppet_service_name)
 * [`puppetdb_startup_timeout`](#-openvoxdb--master--config--puppetdb_startup_timeout)
 * [`test_url`](#-openvoxdb--master--config--test_url)
@@ -1311,6 +1312,14 @@ Name of the package to use that represents the PuppetDB terminus code.
 
 Default value: `$openvoxdb::params::terminus_package`
 
+##### <a name="-openvoxdb--master--config--terminus_package_version"></a>`terminus_package_version`
+
+Data type: `Any`
+
+Version of the terminus package to ensure for installation.
+
+Default value: `$openvoxdb::params::terminus_package_version`
+
 ##### <a name="-openvoxdb--master--config--puppet_service_name"></a>`puppet_service_name`
 
 Data type: `Any`