diff --git a/README.md b/README.md
index d0906c1..203a2dc 100644
--- a/README.md
+++ b/README.md
@@ -35,13 +35,14 @@ The available baudrates are listed as follws:
#define CAN_40KBPS 6
#define CAN_50KBPS 7
#define CAN_80KBPS 8
- #define CAN_95KBPS 9
- #define CAN_100KBPS 10
- #define CAN_125KBPS 11
- #define CAN_200KBPS 12
- #define CAN_250KBPS 13
- #define CAN_500KBPS 14
- #define CAN_1000KBPS 15
+ #define CAN_83K3BPS 9
+ #define CAN_95KBPS 10
+ #define CAN_100KBPS 11
+ #define CAN_125KBPS 12
+ #define CAN_200KBPS 13
+ #define CAN_250KBPS 14
+ #define CAN_500KBPS 15
+ #define CAN_1000KBPS 16
@@ -120,6 +121,15 @@ In conditions that masks and filters have been set. This function can only get f
**buf** is where you store the data.
+
+## 7. Check additional flags
+
+When frame is received you may check whether it was remote request and whether it was an extended (29bit) frame.
+
+ CAN.isRemoteRequest();
+ CAN.isExtFrame();
+
+**return value** is '0' for a negative response and '1' for a positive