diff --git a/man7/sched.7 b/man7/sched.7
index e1b62cc27..aad7e2519 100644
--- a/man7/sched.7
+++ b/man7/sched.7
@@ -798,7 +798,8 @@ The setting has the same effect as modifying the nice level via
 
 The use of the
 .BR cgroups (7)
-CPU controller overrides the effect of autogrouping.
+CPU controller to place processes in cgroups other than the
+root CPU cgroup overrides the effect of autogrouping.
 
 The autogroup feature does not group processes
 that are scheduled under a real-time and deadline policies.