fix apache::mod::jk typo and add hint for more info
fix apache::mod::jk typo and add hint for more info

puppetlabs/puppetlabs-apache,yakatz/puppetlabs-apache,traylenator/puppetlabs-apache,traylenator/puppetlabs-apache,puppetlabs/puppetlabs-apache,yakatz/puppetlabs-apache