diff --git a/firmware/tunerstudio/rusefi.ini b/firmware/tunerstudio/rusefi.ini
index 77d0ec6d0a..9c2d4ae82c 100644
--- a/firmware/tunerstudio/rusefi.ini
+++ b/firmware/tunerstudio/rusefi.ini
@@ -63,7 +63,7 @@ enable2ndByteCanID = false
 
 ; see PAGE_0_SIZE in C source code    
 ; CONFIG_DEFINITION_START
-; this section was generated automatically by ConfigDefinition.jar based on rusefi_config.txt Mon Aug 28 20:53:46 EDT 2017
+; this section was generated automatically by ConfigDefinition.jar based on rusefi_config.txt Mon Aug 28 21:53:25 EDT 2017
 
 pageSize            = 16376
 page = 1
@@ -2303,7 +2303,7 @@ cmd_stop_engine              = "w\x00\x99\x00\x00"
 		field = "pin",									tachOutputPin
 		field = "pin mode",								tachOutputPinMode
 		field = "rise at trigger index",				tachPulseTriggerIndex
-		fiedl = "pulse duration is duty cycle",			tachPulseDurationAsDutyCycle
+		field = "pulse duration is duty cycle",			tachPulseDurationAsDutyCycle
 		field = "pulse duration",						tachPulseDuractionMs
 
 
diff --git a/firmware/tunerstudio/rusefi.input b/firmware/tunerstudio/rusefi.input
index 2c90baf7e3..2944459fbc 100644
--- a/firmware/tunerstudio/rusefi.input
+++ b/firmware/tunerstudio/rusefi.input
@@ -1531,7 +1531,7 @@ cmd_stop_engine              = "w\x00\x99\x00\x00"
 		field = "pin",									tachOutputPin
 		field = "pin mode",								tachOutputPinMode
 		field = "rise at trigger index",				tachPulseTriggerIndex
-		fiedl = "pulse duration is duty cycle",			tachPulseDurationAsDutyCycle
+		field = "pulse duration is duty cycle",			tachPulseDurationAsDutyCycle
 		field = "pulse duration",						tachPulseDuractionMs