Comment 2 for bug 1628071

Just to be sure, are you refering to these lines ???

doc/plugin-guide/source/installation.rst:32: 1 | zabbix_monitoring | 2.5.1 | 3.0.0

Section 4. Check if the plugin was installed successfully:
https://github.com/openstack/fuel-plugin-external-zabbix/blob/master/doc/plugin-guide/source/installation.rst