[PATCH] docs: psi: use correct config name

[Ramazan Safiullin]

Commit 2ce7135adc9a ("psi: cgroup support") adds documentation which refers
to CONFIG_CGROUP, but the correct name is CONFIG_CGROUPS.

Correct the reference to CONFIG_CGROUPS.

Co-developed-by: Sabina Trendota <sabinatrendota@xxxxxxxxx>
Signed-off-by: Sabina Trendota <sabinatrendota@xxxxxxxxx>
Signed-off-by: Ramazan Safiullin <ram.safiullin2001@xxxxxxxxx>
---
 Documentation/accounting/psi.rst | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Documentation/accounting/psi.rst b/Documentation/accounting/psi.rst
index df6062eb3abb..d455db3e5808 100644
--- a/Documentation/accounting/psi.rst
+++ b/Documentation/accounting/psi.rst
@@ -178,7 +178,7 @@ Userspace monitor usage example
 Cgroup2 interface
 =================
 
-In a system with a CONFIG_CGROUP=y kernel and the cgroup2 filesystem
+In a system with a CONFIG_CGROUPS=y kernel and the cgroup2 filesystem
 mounted, pressure stall information is also tracked for tasks grouped
 into cgroups. Each subdirectory in the cgroupfs mountpoint contains
 cpu.pressure, memory.pressure, and io.pressure files; the format is
-- 
2.25.1