[PATCH v1] Documentation/admin-guide/pm/amd-pstate.rst: fix the warning: Title underline too short.

[MarileneGarcia]

There was the following warning when the documentation was generated:

Documentation/admin-guide/pm/amd-pstate.rst:384: WARNING: Title underline too short.

``amd-pstate`` Preferred Core Switch
=================================

Signed-off-by: MarileneGarcia <marilene.agarcia@xxxxxxxxx>
---
Change:
Increasing title underline to solve the warning
Thank you.

 Documentation/admin-guide/pm/amd-pstate.rst | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Documentation/admin-guide/pm/amd-pstate.rst b/Documentation/admin-guide/pm/amd-pstate.rst
index 0a3aa6b8ffd5..322488a0b2c9 100644
--- a/Documentation/admin-guide/pm/amd-pstate.rst
+++ b/Documentation/admin-guide/pm/amd-pstate.rst
@@ -381,7 +381,7 @@ driver receives a message with the highest performance change, it will
 update the core ranking and set the cpu's priority.
 
 ``amd-pstate`` Preferred Core Switch
-=================================
+====================================
 Kernel Parameters
 -----------------
 
-- 
2.34.1