diff --git a/pages/common/ping.md b/pages/common/ping.md
index 1b72e6f30..00d495d7c 100644
--- a/pages/common/ping.md
+++ b/pages/common/ping.md
@@ -1,6 +1,7 @@
 # ping
 
 > Send ICMP ECHO_REQUEST packets to network hosts.
+> More information: <https://manned.org/ping>.
 
 - Ping host:
 
diff --git a/pages/common/ping6.md b/pages/common/ping6.md
index 26280c9aa..8fd4ab2fe 100644
--- a/pages/common/ping6.md
+++ b/pages/common/ping6.md
@@ -1,6 +1,7 @@
 # ping6
 
 > Send ICMP ECHO_REQUEST packets to network hosts via IPv6 address.
+> More information: <https://manned.org/ping6>.
 
 - Ping a host: