update alternative compiler section

Author: ZhaoqiongZ

prototype_source/inductor_windows_cpu.rst

@@ -95,13 +95,13 @@ Intel Compiler
 ^^^^^^^^^^^^^^
 
 #. Download and install `Intel Compiler <https://www.intel.com/content/www/us/en/developer/tools/oneapi/dpc-compiler-download.html>`_ with Windows version.
-#. Set compiler `CXX=icx-cl`
+#. Set Windows Inductor Compiler via environment variable ``set CXX=icx-cl``
 
 LLVM Compiler
 ^^^^^^^^^^^^^
 
-#. Download and install `LLVM Compiler <https://github.com/llvm/llvm-project/releases>`_ with Windows version.
-#. Set compiler `CXX=clang-cl` 
+#. Download and install `LLVM Compiler <https://github.com/llvm/llvm-project/releases>`_ with Windows x86 version.
+#. Set Windows Inductor Compiler via environment variable ``set CXX=clang-cl`` 
 
 Conclusion
 ----------