diff --git a/demos/graph/grinit.c b/demos/graph/grinit.c
index ebbcf0e27..39498858d 100644
--- a/demos/graph/grinit.c
+++ b/demos/graph/grinit.c
@@ -17,6 +17,10 @@
 #include "grwin32.h"
 #endif
 
+#ifdef macintosh
+#include "grmac.h"
+#endif
+
 
  /**********************************************************************
   *
@@ -52,7 +56,7 @@
 
     while (chain)
     {
-      /* initialie the device */
+      /* initialize the device */
       grDevice*  device;
 
       device = chain->device;