README.md in foreman_setup-3.1.1 vs README.md in foreman_setup-4.0.0

@@ -11,19 +11,20 @@
 * [Foreman: How to Install a Plugin](http://projects.theforeman.org/projects/foreman/wiki/How_to_Install_a_Plugin)
 
 The gem name is "foreman_setup".  Run `foreman-rake db:migrate` after
 installation.
 
-RPM users can install the "ruby193-rubygem-foreman_setup" or
+RPM users can install the "tfm-rubygem-foreman_setup" or
 "rubygem-foreman_setup" packages.
 
 ## Compatibility
 
 | Foreman Version | Plugin Version |
 | --------------- | --------------:|
 | <= 1.4          | ~> 1.0         |
 | >= 1.5          | ~> 2.0         |
 | >= 1.9          | ~> 3.0         |
+| >= 1.12         | ~> 4.0         |
 
 # Areas this should help
 
 * take input of subnet and domain information
 * output foreman-installer command with appropriate DHCP, DNS and TFTP parameters