diff --git a/drivers/net/wan/hd64570.c b/drivers/net/wan/hd64570.c
index 64ef6185aaba2cb4caf265490117ca1305ad3c3f..223238de475cdf2ed8802334dfa8addca693f90f 100644
--- a/drivers/net/wan/hd64570.c
+++ b/drivers/net/wan/hd64570.c
@@ -107,7 +107,7 @@ static inline u16 desc_abs_number(port_t *port, u16 desc, int transmit)
 
 static inline u16 desc_offset(port_t *port, u16 desc, int transmit)
 {
-	/* Descriptor offset always fits in 16 bytes */
+	/* Descriptor offset always fits in 16 bits */
 	return desc_abs_number(port, desc, transmit) * sizeof(pkt_desc);
 }
 
diff --git a/drivers/net/wan/hd64572.c b/drivers/net/wan/hd64572.c
index 6a6fe6a7c44bf808f6179253d4bb968c7b04590e..1de3cb7371a7568e47de13bf8ab8edeef5834f7c 100644
--- a/drivers/net/wan/hd64572.c
+++ b/drivers/net/wan/hd64572.c
@@ -90,7 +90,7 @@ static inline u16 desc_abs_number(port_t *port, u16 desc, int transmit)
 
 static inline u16 desc_offset(port_t *port, u16 desc, int transmit)
 {
-	/* Descriptor offset always fits in 16 bytes */
+	/* Descriptor offset always fits in 16 bits */
 	return desc_abs_number(port, desc, transmit) * sizeof(pkt_desc);
 }