from Jonathan Kollasch in NetBSD
-/* $OpenBSD: fat.h,v 1.12 2017/08/14 22:45:12 sf Exp $ */
+/* $OpenBSD: fat.h,v 1.13 2021/07/11 04:34:13 jsg Exp $ */
/* $NetBSD: fat.h,v 1.11 1997/10/17 11:23:49 ws Exp $ */
/*-
* MSDOSFS:
* Return true if filesystem uses 12 bit fats. Microsoft Programmer's
* Reference says if the maximum cluster number in a filesystem is greater
- * than 4078 ((CLUST_RSRVS - CLUST_FIRST) & FAT12_MASK) then we've got a
+ * than 4084 ((CLUST_RSRVD - CLUST_FIRST) & FAT12_MASK) then we've got a
* 16 bit fat filesystem. While mounting, the result of this test is stored
* in pm_fatentrysize.
*/