diff --git a/release/release.conf.sample b/release/release.conf.sample
index 9542df3f5e04..3e8279e15f51 100644
--- a/release/release.conf.sample
+++ b/release/release.conf.sample
@@ -109,4 +109,4 @@ PORTBRANCH="ports/head@rHEAD"
 
 ## If WITH_CLOUDWARE is set to a non-empty value, this is a list of providers
 ## to create disk images.
-#CLOUDWARE="AZURE OPENSTACK"
+#CLOUDWARE="EC2 GCE VAGRANT-VIRTUALBOX VAGRANT-VMWARE"