The media profile documentation will point to kernel.org sign.
Add a link to it.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
---
 Documentation/process/maintainer-pgp-guide.rst | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Documentation/process/maintainer-pgp-guide.rst b/Documentation/process/maintainer-pgp-guide.rst
index f5277993b195..795ef8d89271 100644
--- a/Documentation/process/maintainer-pgp-guide.rst
+++ b/Documentation/process/maintainer-pgp-guide.rst
@@ -903,6 +903,8 @@ the new default in GnuPG v2). To set it, add (or modify) the
 
     trust-model tofu+pgp
 
+.. _kernel_org_trust_repository:
+
 Using the kernel.org web of trust repository
 --------------------------------------------
 
-- 
2.51.0