diff --git a/configs/lpcxpresso-lpc1768/README.txt b/configs/lpcxpresso-lpc1768/README.txt
index d7cbdb93e82..76cf35e7a64 100755
--- a/configs/lpcxpresso-lpc1768/README.txt
+++ b/configs/lpcxpresso-lpc1768/README.txt
@@ -655,6 +655,8 @@ LPCXpresso Configuration Options
 	CONFIG_CAN2_DIVISOR - CAN2 is clocked at CCLK divided by this number.
 	  (the CCLK frequency is divided by this number to get the CAN clock).
 	  Options = {1,2,4,6}. Default: 4.
+	CONFIG_CAN_TSEG1 - The number of CAN time quanta in segment 1. Default: 6
+	CONFIG_CAN_TSEG2 = the number of CAN time quanta in segment 2. Default: 7
 
   LPC17xx specific PHY/Ethernet device driver settings.  These setting
   also require CONFIG_NET and CONFIG_LPC17_ETHERNET.
diff --git a/configs/mbed/README.txt b/configs/mbed/README.txt
index 289b2e2cf06..94d87b275f3 100755
--- a/configs/mbed/README.txt
+++ b/configs/mbed/README.txt
@@ -295,6 +295,8 @@ mbed Configuration Options
 	CONFIG_CAN2_DIVISOR - CAN2 is clocked at CCLK divided by this number.
 	  (the CCLK frequency is divided by this number to get the CAN clock).
 	  Options = {1,2,4,6}. Default: 4.
+	CONFIG_CAN_TSEG1 - The number of CAN time quanta in segment 1. Default: 6
+	CONFIG_CAN_TSEG2 = the number of CAN time quanta in segment 2. Default: 7
 
   LPC17xx specific PHY/Ethernet device driver settings.  These setting
   also require CONFIG_NET and CONFIG_LPC17_ETHERNET.
diff --git a/configs/nucleus2g/README.txt b/configs/nucleus2g/README.txt
index c3c53dd8798..35bb31d5cd1 100755
--- a/configs/nucleus2g/README.txt
+++ b/configs/nucleus2g/README.txt
@@ -407,6 +407,8 @@ Nucleus 2G Configuration Options
 	CONFIG_CAN2_DIVISOR - CAN2 is clocked at CCLK divided by this number.
 	  (the CCLK frequency is divided by this number to get the CAN clock).
 	  Options = {1,2,4,6}. Default: 4.
+	CONFIG_CAN_TSEG1 - The number of CAN time quanta in segment 1. Default: 6
+	CONFIG_CAN_TSEG2 = the number of CAN time quanta in segment 2. Default: 7
 
   LPC17xx specific PHY/Ethernet device driver settings.  These setting
   also require CONFIG_NET and CONFIG_LPC17_ETHERNET.
diff --git a/configs/olimex-lpc1766stk/README.txt b/configs/olimex-lpc1766stk/README.txt
index 8c03f437e3b..d3bf2c98b3d 100755
--- a/configs/olimex-lpc1766stk/README.txt
+++ b/configs/olimex-lpc1766stk/README.txt
@@ -704,6 +704,8 @@ Olimex LPC1766-STK Configuration Options
 	CONFIG_CAN2_DIVISOR - CAN2 is clocked at CCLK divided by this number.
 	  (the CCLK frequency is divided by this number to get the CAN clock).
 	  Options = {1,2,4,6}. Default: 4.
+	CONFIG_CAN_TSEG1 - The number of CAN time quanta in segment 1. Default: 6
+	CONFIG_CAN_TSEG2 = the number of CAN time quanta in segment 2. Default: 7
 
   LPC17xx specific PHY/Ethernet device driver settings.  These setting
   also require CONFIG_NET and CONFIG_LPC17_ETHERNET.