docs: mention the specific clang version used.

Author: adriweb

docs/static/faq.rst

@@ -13,7 +13,7 @@ Including the output of the :code:`make V=1` command outputs more verbose inform
 What versions of C/C++ are supported?
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-The CE Toolchain supports the latest LLVM/Clang toolchain - the status of each language can be found at the respective links: `C <https://clang.llvm.org/c_status.html>`_, `C++ <https://clang.llvm.org/cxx_status.html>`_
+The CE Toolchain uses LLVM/Clang v15.0.7 - the status of each language feature support can be found at the respective links: `C <https://clang.llvm.org/c_status.html>`_, `C++ <https://clang.llvm.org/cxx_status.html>`_
 
 What is the C/C++ Runtime Memory Layout?
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