* SIGBUS si_codes
*/
#define BUS_ADRALN (__SI_FAULT|1) /* invalid address alignment */
-#define BUS_ADRERR (__SI_FAULT|2) /* non-existant physical address */
+#define BUS_ADRERR (__SI_FAULT|2) /* non-existent physical address */
#define BUS_OBJERR (__SI_FAULT|3) /* object specific hardware error */
/* hardware memory error consumed on a machine check: action required */
#define BUS_MCEERR_AR (__SI_FAULT|4)