diff --git a/pages/common/sdiff.md b/pages/common/sdiff.md
index f1a824c8d..0d4363555 100644
--- a/pages/common/sdiff.md
+++ b/pages/common/sdiff.md
@@ -1,6 +1,7 @@
 # sdiff
 
 > Compare the differences between and optionally merge 2 files.
+> More information: <https://manned.org/sdiff>.
 
 - Compare 2 files: