diff --git a/firmware/controllers/algo/engine_configuration_generated_structures.h b/firmware/controllers/algo/engine_configuration_generated_structures.h
index 3e21664fe0..6dd95994c9 100644
--- a/firmware/controllers/algo/engine_configuration_generated_structures.h
+++ b/firmware/controllers/algo/engine_configuration_generated_structures.h
@@ -1,4 +1,4 @@
-// this section was generated automatically by ConfigDefinition.jar based on rusefi_config.txt Mon Mar 11 09:37:59 EDT 2019
+// this section was generated automatically by ConfigDefinition.jar based on rusefi_config.txt Mon Mar 11 13:35:29 EDT 2019
 // begin
 #ifndef ENGINE_CONFIGURATION_GENERATED_H_
 #define ENGINE_CONFIGURATION_GENERATED_H_
@@ -1102,7 +1102,9 @@ typedef struct {
 	 */
 	int step1timing;
 	/**
-	 * 6=8MHz todo solit two bit fields
+	 * value '6' for 8MHz hw osc
+	 * read hip9011 datasheet for details
+	 * todo split into two bit fields
 	 * offset 324
 	 */
 	int hip9011PrescalerAndSDO;
@@ -1585,12 +1587,10 @@ typedef struct {
 	 */
 	uint8_t unusuedvref[3];
 	/**
-	 * "angle", 1, 0, -1000, 1000, 2
 	 * offset 1508
 	 */
 	float knockDetectionWindowStart;
 	/**
-	 * "angle", 1, 0, -1000, 1000, 2
 	 * offset 1512
 	 */
 	float knockDetectionWindowEnd;
@@ -2578,4 +2578,4 @@ typedef struct {
 
 #endif
 // end
-// this section was generated automatically by ConfigDefinition.jar based on rusefi_config.txt Mon Mar 11 09:37:59 EDT 2019
+// this section was generated automatically by ConfigDefinition.jar based on rusefi_config.txt Mon Mar 11 13:35:29 EDT 2019
diff --git a/firmware/integration/rusefi_config.txt b/firmware/integration/rusefi_config.txt
index 7f4b278bac..7f522b9561 100644
--- a/firmware/integration/rusefi_config.txt
+++ b/firmware/integration/rusefi_config.txt
@@ -307,7 +307,7 @@ ThermistorConf iat;
 	
 	int step1rpm;A secondary Rev limit engaged by the driver to help launch the vehicle faster;"rpm",    1,      0,       0, 20000.0,        2
 	int step1timing;;"deg",    1,      0,       -180, 180,        2
-	int hip9011PrescalerAndSDO;6=8MHz todo solit two bit fields;"integer", 1, 0.0, 0.0, 32, 0
+	int hip9011PrescalerAndSDO;+value '6' for 8MHz hw osc\nread hip9011 datasheet for details\ntodo split into two bit fields;"integer", 1, 0.0, 0.0, 32, 0
 	float knockBandCustom;+We calculate knock band based of cylinderBore\n Use this to override - kHz knock band override;"kHz", 1, 0.0, 0.0, 10.0, 2
 
 
diff --git a/firmware/tunerstudio/rusefi.ini b/firmware/tunerstudio/rusefi.ini
index 2dc39b3cc6..130f20f8c9 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 Mar 11 09:41:23 EDT 2019
+; this section was generated automatically by ConfigDefinition.jar based on rusefi_config.txt Mon Mar 11 13:35:29 EDT 2019
 
 pageSize            = 20000
 page = 1
@@ -907,6 +907,7 @@ page = 1
 	cranking_baseFuel = "Fuel squirt duration while cranking\nA number of curves adjust this value according to CLT/IAT/TPS etc"
 	cranking_rpm = "Cranking mode threshold. Special cranking logic controls fuel and spark while RPM is below this threshold\nset cranking_rpm X"
 	crankingChargeAngle = "While cranking (which causes battery voltage to drop) we can calculate dwell time in shaft\ndegrees, not in absolute time as in running mode.\nset cranking_charge_angle X"
+	hip9011PrescalerAndSDO = "value '6' for 8MHz hw osc\nread hip9011 datasheet for details\ntodo split into two bit fields"
 	knockBandCustom = "We calculate knock band based of cylinderBore\n Use this to override - kHz knock band override"
 	cylinderBore = "Cylinder diameter, in mm."
 	sensorSnifferRpmThreshold = "Disable sensor sniffer above this rpm"