diff --git a/libcxx/docs/TestingLibcxx.rst b/libcxx/docs/TestingLibcxx.rst
--- a/libcxx/docs/TestingLibcxx.rst
+++ b/libcxx/docs/TestingLibcxx.rst
@@ -227,12 +227,11 @@
 .. code-block:: bash
 
   $ cd build
-  $ cmake [options] <path to libcxx sources>
-  $ make cxx-benchmarks
+  $ ninja cxx-benchmarks
 
 This will build all of the benchmarks under ``<libcxx-src>/benchmarks`` to be
 built against the just-built libc++. The compiled tests are output into
-``build/benchmarks``.
+``build/projects/libcxx/benchmarks``.
 
 The benchmarks can also be built against the platforms native standard library
 using the ``-DLIBCXX_BUILD_BENCHMARKS_NATIVE_STDLIB=ON`` CMake option. This
@@ -255,8 +254,7 @@
 
 .. code-block:: bash
 
-  $ cd build/benchmarks
-  $ make cxx-benchmarks
+  $ cd build/projects/libcxx/benchmarks
   $ ./algorithms.libcxx.out # Runs all the benchmarks
   $ ./algorithms.libcxx.out --benchmark_filter=BM_Sort.* # Only runs the sort benchmarks