diff --git a/pages/common/nmap.md b/pages/common/nmap.md
index ae203e31d..3a47fdd35 100644
--- a/pages/common/nmap.md
+++ b/pages/common/nmap.md
@@ -2,6 +2,7 @@
 
 > Network exploration tool and security / port scanner.
 > Some features only activate when Nmap is run with privileges.
+> Homepage: <https://nmap.org>
 
 - Try to determine whether the specified hosts are up and what are their names: