diff --git a/pages/common/arping.md b/pages/common/arping.md
index c00a03dce8..ebbd2ffaac 100644
--- a/pages/common/arping.md
+++ b/pages/common/arping.md
@@ -2,6 +2,7 @@
 
 > Discover and probe hosts in a network using the ARP protocol.
 > Useful for MAC address discovery.
+> More information: <https://github.com/ThomasHabets/arping>.
 
 - Ping a host by ARP request packets: