diff --git a/plugins/commands/package/command.rb b/plugins/commands/package/command.rb
index bae90b8a5..4df9a28e0 100644
--- a/plugins/commands/package/command.rb
+++ b/plugins/commands/package/command.rb
@@ -16,7 +16,7 @@ module VagrantPlugins
           o.separator "Options:"
           o.separator ""
 
-          o.on("--base NAME", "Name of a VM in virtualbox to package as a base box") do |b|
+          o.on("--base NAME", "Name of a VM in VirtualBox to package as a base box (VirtualBox Only)") do |b|
             options[:base] = b
           end