1 files changed, 1 insertions, 1 deletions
diff --git a/ip.h b/ip.h
index b3b23d1a..ca87548f 100644
--- a/ip.h
+++ b/ip.h
@@ -57,7 +57,7 @@ struct ip {
 	nd_uint16_t	ip_len;		/* total length */
 	nd_uint16_t	ip_id;		/* identification */
 	nd_uint16_t	ip_off;		/* fragment offset field */
-#define	IP_DF 0x4000			/* dont fragment flag */
+#define	IP_DF 0x4000			/* don't fragment flag */
 #define	IP_MF 0x2000			/* more fragments flag */
 #define	IP_OFFMASK 0x1fff		/* mask for fragmenting bits */
 	nd_uint8_t	ip_ttl;		/* time to live */