diff --git a/clang/docs/HowToSetupToolingForLLVM.rst b/clang/docs/HowToSetupToolingForLLVM.rst
--- a/clang/docs/HowToSetupToolingForLLVM.rst
+++ b/clang/docs/HowToSetupToolingForLLVM.rst
@@ -156,7 +156,7 @@
 
   $ git clone git://github.com/martine/ninja.git
   $ cd ninja/
-  $ ./bootstrap.py
+  $ ./configure.py
 
 This will result in a single binary ``ninja`` in the current directory.
 It doesn't require installation and can just be copied to any location
diff --git a/clang/docs/LibASTMatchersTutorial.rst b/clang/docs/LibASTMatchersTutorial.rst
--- a/clang/docs/LibASTMatchersTutorial.rst
+++ b/clang/docs/LibASTMatchersTutorial.rst
@@ -33,7 +33,7 @@
       git clone https://github.com/martine/ninja.git
       cd ninja
       git checkout release
-      ./bootstrap.py
+      ./configure.py
       sudo cp ninja /usr/bin/
 
       cd ~/clang-llvm