diff --git a/llvm/docs/LibFuzzer.rst b/llvm/docs/LibFuzzer.rst
index b251895bc8e90e..0341e8ea592aad 100644
--- a/llvm/docs/LibFuzzer.rst
+++ b/llvm/docs/LibFuzzer.rst
@@ -673,9 +673,9 @@ Developing libFuzzer
 
 LibFuzzer is built as a part of LLVM project by default on macos and Linux.
 Users of other operating systems can explicitly request compilation using
-``-DLIBFUZZER_ENABLE=YES`` flag.
+``-DCOMPILER_RT_BUILD_LIBFUZZER=ON`` flag.
 Tests are run using ``check-fuzzer`` target from the build directory
-which was configured with ``-DLIBFUZZER_ENABLE_TESTS=ON`` flag.
+which was configured with ``-DCOMPILER_RT_INCLUDE_TESTS=ON`` flag.
 
 .. code-block:: console