diff --git a/pages/common/who.md b/pages/common/who.md
index 24b6ceee0..8f0b534c8 100644
--- a/pages/common/who.md
+++ b/pages/common/who.md
@@ -1,6 +1,7 @@
 # who
 
 > Display who is logged in and related data (processes, boot time).
+> More information: <https://www.gnu.org/software/coreutils/manual/html_node/who-invocation.html>.
 
 - Display the username, line, and time of all currently logged-in sessions: