diff --git a/libfdt/libfdt.h b/libfdt/libfdt.h
index 263b7ad..a470d1d 100644
--- a/libfdt/libfdt.h
+++ b/libfdt/libfdt.h
@@ -227,7 +227,7 @@ int fdt_next_subnode(const void *fdt, int offset);
  *		...
  *	}
  *
- *	if ((node < 0) && (node != -FDT_ERR_NOT_FOUND)) {
+ *	if ((node < 0) && (node != -FDT_ERR_NOTFOUND)) {
  *		Error handling
  *	}
  *
@@ -566,7 +566,7 @@ int fdt_next_property_offset(const void *fdt, int offset);
  *		...
  *	}
  *
- *	if ((property < 0) && (property != -FDT_ERR_NOT_FOUND)) {
+ *	if ((property < 0) && (property != -FDT_ERR_NOTFOUND)) {
  *		Error handling
  *	}
  *