[clang] Fix broken link (PR #98818)

[Anita Hammer via cfe-commits]

https://github.com/anitahammer created https://github.com/llvm/llvm-project/pull/98818

None

>From 66ed69a43ef3896a6f2a7a35e8b127c29a71222a Mon Sep 17 00:00:00 2001
From: Anita Hammer <166057949+anitahammer at users.noreply.github.com>
Date: Sun, 14 Jul 2024 16:24:32 +0100
Subject: [PATCH] Update UsersManual.rst

---
 clang/docs/UsersManual.rst | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/clang/docs/UsersManual.rst b/clang/docs/UsersManual.rst
index e9b95739ea2ab..52f0409a91779 100644
--- a/clang/docs/UsersManual.rst
+++ b/clang/docs/UsersManual.rst
@@ -3956,7 +3956,7 @@ extension should use reserved identifier prefix e.g. amd, arm, intel.
 
 Clang also supports language extensions documented in `The OpenCL C Language
 Extensions Documentation
-<https://github.com/KhronosGroup/Khronosdotorg/blob/main/api/opencl/assets/OpenCL_LangExt.pdf>`_.
+<https://github.com/KhronosGroup/OpenCL-Docs/releases/download/v3.0.16/OpenCL_Ext.pdf>`_.
 
 OpenCL-Specific Attributes
 --------------------------