update README.macOS.md (Creating new Projects)

3 years ago · d3ceac04de
1 changed files with 1 additions and 0 deletions
--- a/README.macOS.md
+++ b/README.macOS.md
@ -478,6 +478,7 @@ file is:
				@@ -478,6 +478,7 @@ file is:

 ```bash
 cat << EOF > main.cxx
+  #include <FL/Fl.H>
  #include <FL/Fl_Window.H>
  int main(int argc, char **argv) {
    Fl_Window *win = new Fl_Window(600, 400, "Hello, world!");