diff --git a/clang/docs/UsersManual.rst b/clang/docs/UsersManual.rst
index f55ffccc84d05..856d5e34bbcc2 100644
--- a/clang/docs/UsersManual.rst
+++ b/clang/docs/UsersManual.rst
@@ -2661,7 +2661,8 @@ This will produce a generic test.bc file that can be used in vendor toolchains
 to perform machine code generation.
 
 Clang currently supports OpenCL C language standards up to v2.0. Starting from
-clang 9 a C++ mode is available for OpenCL (see :ref:`C++ for OpenCL <opencl_cpp>`).
+clang 9 a C++ mode is available for OpenCL (see
+:ref:`C++ for OpenCL <cxx_for_opencl>`).
 
 OpenCL Specific Options
 -----------------------
@@ -3024,7 +3025,7 @@ There are some standard OpenCL functions that are implemented as Clang builtins:
   enqueue query functions from `section 6.13.17.5
   <https://www.khronos.org/registry/cl/specs/opencl-2.0-openclc.pdf#171>`_.
 
-.. _opencl_cpp:
+.. _cxx_for_opencl:
 
 C++ for OpenCL
 --------------