doc: Fix link reference to general verified boot docs
Fixes: ad29e08b79fd ("doc: Bring in FIT signature files")
Signed-off-by: Alexander Dahl <ada@thorsis.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/doc/usage/fit/signature.rst b/doc/usage/fit/signature.rst
index 03a71b5..b868dcb 100644
--- a/doc/usage/fit/signature.rst
+++ b/doc/usage/fit/signature.rst
@@ -15,7 +15,7 @@
key is kept secret and the public key is stored in a non-volatile place,
any image can be verified in this way.
-See verified-boot.txt for more general information on verified boot.
+See :doc:`verified-boot` for more general information on verified boot.
Concepts
