[PATCH] Documentation: use current link to bootloader spec spec

[Ahmad Fatoum <a.fatoum@pengutronix.de>]

Both the Freedesktop and the systemd links are outdated, so replace them
with the current home of the spec.

Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
---
 Documentation/talks.rst              | 2 +-
 Documentation/user/booting-linux.rst | 2 +-
 common/Kconfig                       | 4 ++--
 3 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/Documentation/talks.rst b/Documentation/talks.rst
index 5f1af599316b..5206d649a2a7 100644
--- a/Documentation/talks.rst
+++ b/Documentation/talks.rst
@@ -100,7 +100,7 @@ Sascha Hauer, Embedded Linux Conference - Europe 2013
 `[slides] <https://elinux.org/images/9/90/Barebox-elce2013-bootloaderspec.pdf>`__
 `[video] <https://www.youtube.com/watch?v=Z8FcIGXox_Y>`__
 
-  The freedesktop.org bootloader specification and its support in barebox.
+  The bootloader specification and its support in barebox.
 
 Barebox Bootloader
 ------------------
diff --git a/Documentation/user/booting-linux.rst b/Documentation/user/booting-linux.rst
index 6fa8cd911e06..0ba6229797cd 100644
--- a/Documentation/user/booting-linux.rst
+++ b/Documentation/user/booting-linux.rst
@@ -168,7 +168,7 @@ Bootloader Spec
 
 barebox supports booting according to the bootloader spec:
 
-https://systemd.io/BOOT_LOADER_SPECIFICATION/
+https://uapi-group.org/specifications/specs/boot_loader_specification/
 
 It follows another philosophy than the :ref:`boot_entries`. With Boot Entries
 booting is completely configured in the bootloader. Bootloader Spec Entries
diff --git a/common/Kconfig b/common/Kconfig
index 3a57e16b3be6..6bcb2dac5b7f 100644
--- a/common/Kconfig
+++ b/common/Kconfig
@@ -684,8 +684,8 @@ config BLSPEC
 	bool
 	prompt "Support bootloader spec"
 	help
-	  Enable this to let barebox support the Freedesktop bootloader spec,
-	  see: http://www.freedesktop.org/wiki/Specifications/BootLoaderSpec/
+	  Enable this to let barebox support the UAPI bootloader spec,
+	  see: https://uapi-group.org/specifications/specs/boot_loader_specification/
 	  The bootloader spec is a standard interface between the bootloader
 	  and the kernel. It allows the bootloader to discover boot options
 	  on a device and it allows the Operating System to install / update
-- 
2.39.2