diff --git a/Makefile b/Makefile
index 1567b1b..10c54b1 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
 #
 # Cross Platform Makefile
-# Compatible with Ubuntu 14.04.1 and Mac OS X
+# Compatible with Ubuntu 14.04.1 and macOS
 
 OBJS = cimgui_auto.o
 OBJS += ./imgui/imgui.o
@@ -21,7 +21,7 @@ ifeq ($(UNAME_S), Linux) #LINUX
 endif
 
 ifeq ($(UNAME_S), Darwin) #APPLE
-	ECHO_MESSAGE = "Mac OS X"
+	ECHO_MESSAGE = "macOS"
 
 	OUTPUTNAME = cimgui.dylib
 	CXXFLAGS = -I/usr/local/include
diff --git a/README.md b/README.md
index 11e8db3..77c8e4d 100644
--- a/README.md
+++ b/README.md
@@ -14,7 +14,7 @@ Notes:
 # compilation
 
 * clone
-* make using makefile on linux/osx/mingw (Or use CMake to generate project)
+* make using makefile on linux/macOS/mingw (Or use CMake to generate project)
 
 # auto binding generation