doc: README: Correct file name of signature verification documentation

Signed-off-by: Detlev Zundel <dzu@denx.de>

diff --git a/README b/README
index 44ce071995ba1fe869f5bc30de0e775d9122d388..bfd89b0bfb091259f091db5ff68f3f8f0b2be63f 100644 (file)
--- a/README
+++ b/README
@@ -2850,7 +2850,7 @@ CBFS (Coreboot Filesystem) support
                CONFIG_RSA
 
                This enables the RSA algorithm used for FIT image verification
-               in U-Boot. See doc/uImage/signature for more information.
+               in U-Boot. See doc/uImage.FIT/signature.txt for more information.
 
                The signing part is build into mkimage regardless of this
                option.