diff --git a/freeglut/freeglut/include/GL/freeglut_std.h b/freeglut/freeglut/include/GL/freeglut_std.h
index 23e6806..8bdae35 100644
--- a/freeglut/freeglut/include/GL/freeglut_std.h
+++ b/freeglut/freeglut/include/GL/freeglut_std.h
@@ -544,6 +544,7 @@ FGAPI void    FGAPIENTRY glutSolidIcosahedron( void );
 
 /*
  * Teapot rendering functions, found in freeglut_teapot.c
+ * NB: front facing polygons have clockwise winding, not counter clockwise
  */
 /* TODO: doesn't work with GLES1 yet */
 #ifndef EGL_VERSION_1_0