diff --git a/sys/net/if.h b/sys/net/if.h
index 64b115a17fb..cbd69b4912e 100644
--- a/sys/net/if.h
+++ b/sys/net/if.h
@@ -336,7 +336,7 @@ struct if_msghdr {
  * extensible after ifm_data_off or within ifm_data.  Both the if_msghdr and
  * if_data now have a member field detailing the struct length in addition to
  * the routing message length.  Macros are provided to find the start of
- * ifm_data and the start of the socket address strucutres immediately following
+ * ifm_data and the start of the socket address structures immediately following
  * struct if_msghdrl given a pointer to struct if_msghdrl.
  */
 #define	IF_MSGHDRL_IFM_DATA(_l) \
@@ -378,7 +378,7 @@ struct ifa_msghdr {
  * extensible after ifam_metric or within ifam_data.  Both the ifa_msghdrl and
  * if_data now have a member field detailing the struct length in addition to
  * the routing message length.  Macros are provided to find the start of
- * ifm_data and the start of the socket address strucutres immediately following
+ * ifm_data and the start of the socket address structures immediately following
  * struct ifa_msghdrl given a pointer to struct ifa_msghdrl.
  */
 #define	IFA_MSGHDRL_IFAM_DATA(_l) \