diff --git a/pages/common/box.md b/pages/common/box.md
index d7d63fef1..13eb4e2fe 100644
--- a/pages/common/box.md
+++ b/pages/common/box.md
@@ -1,6 +1,7 @@
 # box
 
 > A PHP application for building and managing Phars.
+> More information: <https://box-project.github.io/box2>.
 
 - Build a new Phar file: