diff --git a/pages/common/less.md b/pages/common/less.md
index ea3601925..2b18c9855 100644
--- a/pages/common/less.md
+++ b/pages/common/less.md
@@ -1,6 +1,7 @@
 # less
 
 > Open a file for interactive reading, allowing scrolling and search.
+> More information: <https://greenwoodsoftware.com/less/>.
 
 - Open a file: