diff --git a/man2/getcpu.2 b/man2/getcpu.2
index 2ae3f0fb5..ecf422eb5 100644
--- a/man2/getcpu.2
+++ b/man2/getcpu.2
@@ -32,7 +32,7 @@ or
 .I node
 is NULL nothing is written to the respective pointer.
 
-The third argument to this system call is nowadays unused.
+The third argument to this system call is nowadays unused (see NOTES).
 
 The information placed in
 .I cpu