diff --git a/libc/docs/overlay_mode.rst b/libc/docs/overlay_mode.rst
--- a/libc/docs/overlay_mode.rst
+++ b/libc/docs/overlay_mode.rst
@@ -39,7 +39,7 @@
   $> cd llvm-project  # The llvm-project checkout
   $> mkdir build
   $> cd build
-  $> cmake ../llvm -G Ninja -DLLVM_ENABLE_PROJECTS=”libc”  \
+  $> cmake ../llvm -G Ninja -DLLVM_ENABLE_PROJECTS="libc"  \
      -DCMAKE_C_COMPILER=clang -DCMAKE_CXX_COMPILER=clang++ \
      -DCMAKE_BUILD_TYPE=<Debug|Release>                    \  # Select build type
      -DCMAKE_INSTALL_PREFIX=<Your prefix of choice>           # Optional
@@ -71,8 +71,8 @@
 
 .. code-block:: sh
 
-  $> cmake ../llvm -G Ninja -DLLVM_ENABLE_PROJECTS=”clang” \
-     -DLLVM_ENABLE_RUNTIMES=”libc”  \  # libc is listed as runtime and not as a project
+  $> cmake ../llvm -G Ninja -DLLVM_ENABLE_PROJECTS="clang" \
+     -DLLVM_ENABLE_RUNTIMES="libc"  \  # libc is listed as runtime and not as a project
      -DCMAKE_C_COMPILER=clang -DCMAKE_CXX_COMPILER=clang++ \
      -DCMAKE_BUILD_TYPE=<Debug|Release>                    \  # Select build type
      -DCMAKE_INSTALL_PREFIX=<Your prefix of choice>           # Optional