diff --git a/llvm/docs/HowToCrossCompileLLVM.rst b/llvm/docs/HowToCrossCompileLLVM.rst
--- a/llvm/docs/HowToCrossCompileLLVM.rst
+++ b/llvm/docs/HowToCrossCompileLLVM.rst
@@ -43,8 +43,7 @@
  * ``-DCMAKE_SYSTEM_NAME=<target-system>``
  * ``-DCMAKE_INSTALL_PREFIX=<install-dir>``
  * ``-DLLVM_NATIVE_TOOL_DIR=<path-to-host-bin>``
- * ``-DLLVM_DEFAULT_TARGET_TRIPLE=arm-linux-gnueabihf``
- * ``-DLLVM_TARGET_ARCH=ARM``
+ * ``-DLLVM_HOST_TRIPLE=arm-linux-gnueabihf``
  * ``-DLLVM_TARGETS_TO_BUILD=ARM``
 
 Note: ``CMAKE_CROSSCOMPILING`` is always set automatically when ``CMAKE_SYSTEM_NAME`` is set. Don't put ``-DCMAKE_CROSSCOMPILING=TRUE`` in your options.