diff --git a/man7/cgroups.7 b/man7/cgroups.7
index 8e106d8e7..f6ea348ff 100644
--- a/man7/cgroups.7
+++ b/man7/cgroups.7
@@ -1423,7 +1423,7 @@ start the creation of a threaded subtree
 the first of the pathways described above;
 .IP \(bu
 .IR "domain\ invalid" :
-convert one of the cgroups in a threaded subtree into a usable (i.e.,
+convert this cgroup (which is inside a threaded subtree) to a usable (i.e.,
 .IR threaded )
 state;
 .IP \(bu