Index: clang/docs/UsersManual.rst
===================================================================
--- clang/docs/UsersManual.rst
+++ clang/docs/UsersManual.rst
@@ -2714,6 +2714,9 @@
 <https://www.khronos.org/registry/OpenCL/specs/opencl-1.1.pdf#111>`_) or
 into generic bitcode files loadable into other toolchains.
 
+Clang only supports the full OpenCL profile, and not `the embedded profile
+<https://github.com/KhronosGroup/OpenCL-Docs/blob/master/api/embedded_profile.asciidoc>`_.
+
 Compiling to a binary using the default target from the installation can be done
 as follows: