Convert kselftest docs link to internal cross-reference.

Acked-by: Mario Limonciello (AMD) <superm1@kernel.org>
Signed-off-by: Bagas Sanjaya <bagasdotme@gmail.com>
---
 Documentation/admin-guide/pm/amd-pstate.rst | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/Documentation/admin-guide/pm/amd-pstate.rst b/Documentation/admin-guide/pm/amd-pstate.rst
index e1771f2225d5f0..37082f2493a7c1 100644
--- a/Documentation/admin-guide/pm/amd-pstate.rst
+++ b/Documentation/admin-guide/pm/amd-pstate.rst
@@ -798,5 +798,4 @@ Reference
 .. [3] Processor Programming Reference (PPR) for AMD Family 19h Model 51h, Revision A1 Processors
        https://www.amd.com/system/files/TechDocs/56569-A1-PUB.zip
 
-.. [4] Linux Kernel Selftests,
-       https://www.kernel.org/doc/html/latest/dev-tools/kselftest.html
+.. [4] Documentation/dev-tools/kselftest.rst
-- 
An old man doll... just what I always wanted! - Clara