diff --git a/include/linux/can.h b/include/linux/can.h
index 3ed2f17..6248566 100644
--- a/include/linux/can.h
+++ b/include/linux/can.h
@@ -190,16 +190,16 @@ struct sockaddr_can {
 		struct {
 			/* 8 byte name when using dynamic addressing */
 			__u64 name;
-			/*
-			 * pgn:
-			 * 8bit: PS in PDU2 case, else 0
-			 * 8bit: PF
-			 * 1bit: DP
-			 * 1bit: reserved
+
+			/* pgn:
+			 * 8 bit: PS in PDU2 case, else 0
+			 * 8 bit: PF
+			 * 1 bit: DP
+			 * 1 bit: reserved
 			 */
 			__u32 pgn;
 
-			/* 1byte address */
+			/* 1 byte address */
 			__u8 addr;
 		} j1939;
 
diff --git a/include/linux/can/j1939.h b/include/linux/can/j1939.h
index cd4661a..3063806 100644
--- a/include/linux/can/j1939.h
+++ b/include/linux/can/j1939.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
 /*
  * j1939.h
  *
diff --git a/include/linux/can/netlink.h b/include/linux/can/netlink.h
index 96710e7..9f56fad 100644
--- a/include/linux/can/netlink.h
+++ b/include/linux/can/netlink.h
@@ -132,6 +132,7 @@ enum {
 	IFLA_CAN_TERMINATION_CONST,
 	IFLA_CAN_BITRATE_CONST,
 	IFLA_CAN_DATA_BITRATE_CONST,
+	IFLA_CAN_BITRATE_MAX,
 	__IFLA_CAN_MAX
 };