diff --git a/README.md b/README.md
index 23f3e5a5a..03dc4b27e 100644
--- a/README.md
+++ b/README.md
@@ -104,7 +104,7 @@ If value is equal to ensure_absent_val then the resource will behave as if `ensu
 Limitations
 -----------
 
-* Supports libvirt, xenserver and vmware compute drivers.
+* Supports libvirt and vmware compute drivers.
 * Tested on EL and Debian derivatives.
 
 Development
diff --git a/manifests/compute/libvirt.pp b/manifests/compute/libvirt.pp
index eca240bde..77423c445 100644
--- a/manifests/compute/libvirt.pp
+++ b/manifests/compute/libvirt.pp
@@ -10,7 +10,7 @@
 #   Defaults to 'present'
 #
 # [*virt_type*]
-#   (optional) Libvirt domain type. Options are: kvm, lxc, qemu, uml, xen
+#   (optional) Libvirt domain type. Options are: kvm, lxc, qemu, parallels
 #   Defaults to 'kvm'
 #
 # [*vncserver_listen*]
@@ -208,7 +208,7 @@
 # DEPRECATED PARAMETERS
 #
 # [*libvirt_virt_type*]
-#   (optional) Libvirt domain type. Options are: kvm, lxc, qemu, uml, xen
+#   (optional) Libvirt domain type. Options are: kvm, lxc, qemu, paralells
 #   Defaults to undef
 #
 # [*libvirt_cpu_mode*]
diff --git a/manifests/compute/libvirt/services.pp b/manifests/compute/libvirt/services.pp
index a87219219..ca5dc90e6 100644
--- a/manifests/compute/libvirt/services.pp
+++ b/manifests/compute/libvirt/services.pp
@@ -17,7 +17,7 @@
 #   Defaults to $::nova::params::virtlog_service_name
 #
 # [*libvirt_virt_type*]
-#   (optional) Libvirt domain type. Options are: kvm, lxc, qemu, uml, xen
+#   (optional) Libvirt domain type. Options are: kvm, lxc, qemu, parallels
 #   Defaults to 'kvm'
 #
 class nova::compute::libvirt::services (