diff --git a/CMakeLists.txt b/CMakeLists.txt
index 135a80c5..0d0a904a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -12,7 +12,7 @@ include_directories(external/gli)
 include_directories(external/assimp)
 include_directories(base)
 
-OPTION(USE_D2D_WSI "Build the project using debugging code" OFF)
+OPTION(USE_D2D_WSI "Build the project using Direct to Display swapchain" OFF)
 
 IF(WIN32)
 	find_library(VULKAN_LIB NAMES vulkan-1 vulkan PATHS ${CMAKE_SOURCE_DIR}/libs/vulkan)
@@ -23,8 +23,8 @@ ELSE(WIN32)
 	find_package(ASSIMP REQUIRED)
 	find_package(Threads REQUIRED)
 IF(USE_D2D_WSI)
-    MESSAGE("Using direct to display extension...")
-    add_definitions(-D_DIRECT2DISPLAY)
+	MESSAGE("Using direct to display extension...")
+	add_definitions(-D_DIRECT2DISPLAY)
 ELSE(USE_D2D_WSI)
   	find_package(XCB REQUIRED)
 	set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DVK_USE_PLATFORM_XCB_KHR")
diff --git a/README.md b/README.md
index 33283c81..6edc960c 100644
--- a/README.md
+++ b/README.md
@@ -19,6 +19,8 @@ Use the provided CMakeLists.txt with [CMake](https://cmake.org) to generate a bu
 
 Note that you need [assimp](https://github.com/assimp/assimp) in order to compile the examples for Linux. Either compile and install from the repository, or install libassimp-dev. The examples require at least version 3.2.
 
+To use the Direct to Display swapchain extension (VK_KHR_display), please turn on the USE_D2D_WSI cmake option: "-DUSE_D2D_WSI=ON".
+
 ## <img src="./images/androidlogo.png" alt="" height="32px"> [Android](android/)
 
 Building on Android is done using the [Android NDK](http://developer.android.com/tools/sdk/ndk/index.html) and requires a device that supports Vulkan. Please see the [Android readme](./android/README.md) on how to build and deploy the examples.