diff --git a/man5/sysfs.5 b/man5/sysfs.5
index db957790c..e22f76ab7 100644
--- a/man5/sysfs.5
+++ b/man5/sysfs.5
@@ -177,6 +177,10 @@ filesystems.
 This subdirectory contains various files and subdirectories that provide
 information about the running kernel.
 .TP
+.IR /sys/kernel/cgroup/
+For information about the files in this directory, see
+.BR cgroups (7).
+.TP
 .IR /sys/kernel/debug/tracing
 Mount point for the
 .I tracefs