diff --git a/Available-Vagrant-Boxes.md b/Available-Vagrant-Boxes.md
index e7558db..2d20c07 100644
--- a/Available-Vagrant-Boxes.md
+++ b/Available-Vagrant-Boxes.md
@@ -1,5 +1,7 @@
 ## Official Boxes
 
+Note: to understand the different Ubuntu version names, check out [Ubuntu's official releases page](http://releases.ubuntu.com/).
+
 ### Ubuntu Lucid 32 Bit
 
 [http://files.vagrantup.com/lucid32.box](http://files.vagrantup.com/lucid32.box)