diff --git a/llvm/docs/AdvancedBuilds.rst b/llvm/docs/AdvancedBuilds.rst
--- a/llvm/docs/AdvancedBuilds.rst
+++ b/llvm/docs/AdvancedBuilds.rst
@@ -41,7 +41,10 @@
 
 .. code-block:: console
 
-  $ cmake -G Ninja -DCMAKE_BUILD_TYPE=Release -DCLANG_ENABLE_BOOTSTRAP=On <path to source>
+  $ cmake -G Ninja -DCMAKE_BUILD_TYPE=Release \
+      -DCLANG_ENABLE_BOOTSTRAP=On \
+      -DLLVM_ENABLE_PROJECTS="clang" \
+      <path to source>/llvm
   $ ninja stage2
 
 This command itself isn't terribly useful because it assumes default
@@ -55,7 +58,11 @@
 
 .. code-block:: console
 
-  $ cmake -G Ninja -DCMAKE_BUILD_TYPE=Release -DCLANG_ENABLE_BOOTSTRAP=On -DCLANG_BOOTSTRAP_PASSTHROUGH="CMAKE_INSTALL_PREFIX;CMAKE_VERBOSE_MAKEFILE" <path to source>
+  $ cmake -G Ninja -DCMAKE_BUILD_TYPE=Release \
+      -DCLANG_ENABLE_BOOTSTRAP=On \
+      -DCLANG_BOOTSTRAP_PASSTHROUGH="CMAKE_INSTALL_PREFIX;CMAKE_VERBOSE_MAKEFILE" \
+      -DLLVM_ENABLE_PROJECTS="clang" \
+      <path to source>/llvm
   $ ninja stage2
 
 CMake options starting by ``BOOTSTRAP_`` will be passed only to the stage2 build.
@@ -88,7 +95,7 @@
 
 .. code-block:: console
 
-  $ cmake -G Ninja -C <path to source>/clang/cmake/caches/Apple-stage1.cmake <path to source>
+  $ cmake -G Ninja -C <path to source>/clang/cmake/caches/Apple-stage1.cmake <path to source>/llvm
   $ ninja stage2-distribution
 
 This CMake invocation configures the stage1 host compiler, and sets
@@ -268,7 +275,7 @@
 
 .. code-block:: console
 
-  $ cmake -G Ninja -C <path to source>/clang/cmake/caches/3-stage.cmake <path to source>
+  $ cmake -G Ninja -C <path to source>/clang/cmake/caches/3-stage.cmake <path to source>/llvm
   $ cmake --build . --target stage3 --parallel
 
 After the build you can compare the stage2 & stage3 compilers.