diff --git a/man7/cgroups.7 b/man7/cgroups.7
index 269fdf364..74553307e 100644
--- a/man7/cgroups.7
+++ b/man7/cgroups.7
@@ -1548,7 +1548,7 @@ of the string
 to the
 .I cgroup.subtree_control
 file fails with the error
-.BR EINVAL .
+.BR EINVAL .)
 However, on some systems,
 .BR systemd (1)
 places certain realtime processes in nonroot cgroups in the v2 hierarchy.