diff --git a/firmware/tunerstudio/rusefi.ini b/firmware/tunerstudio/rusefi.ini
index 0a36c44c9e..9b8dda42fb 100644
--- a/firmware/tunerstudio/rusefi.ini
+++ b/firmware/tunerstudio/rusefi.ini
@@ -3,6 +3,16 @@
 ; rusefi.ini is generated by invoking gen_config.bat (look inside for the exact command to run it outside of Windows)
 ; inputs are rusefi.input template and rusefi_config.txt file
 ;
+;
+; Some fields have little question mark on the left of the name for additional field tips.
+; Those tips are defined in ../integraion/rusefi_config.txt file for example
+;
+;     float bias_resistor;+Pull-up resistor value on your board;"Ohm"
+; here 'bias_resistor' is internal field name and the text between semicolons is what produces the tooltip
+; Note that '+' sign is required after first semicolon for tooltop to appear in TunerStudio
+;
+;
+;
 
 ; this should stop TS from looking for the CAN ID in the 2nd byte location and allow the page reads to work correctly.
 enable2ndByteCanID = false
@@ -72,7 +82,7 @@ enable2ndByteCanID = false
 
 ; see PAGE_0_SIZE in C source code    
 ; CONFIG_DEFINITION_START
-; this section was generated automatically by ConfigDefinition.jar based on integration\rusefi_config.txt Tue Jun 11 20:29:08 EDT 2019
+; this section was generated automatically by ConfigDefinition.jar based on integration\rusefi_config.txt Wed Jun 12 12:44:40 EDT 2019
 
 pageSize            = 20000
 page = 1
diff --git a/firmware/tunerstudio/rusefi.input b/firmware/tunerstudio/rusefi.input
index 7fc6e0ffce..6022b5b7c3 100644
--- a/firmware/tunerstudio/rusefi.input
+++ b/firmware/tunerstudio/rusefi.input
@@ -3,6 +3,16 @@
 ; rusefi.ini is generated by invoking gen_config.bat (look inside for the exact command to run it outside of Windows)
 ; inputs are rusefi.input template and rusefi_config.txt file
 ;
+;
+; Some fields have little question mark on the left of the name for additional field tips.
+; Those tips are defined in ../integraion/rusefi_config.txt file for example
+;
+;     float bias_resistor;+Pull-up resistor value on your board;"Ohm"
+; here 'bias_resistor' is internal field name and the text between semicolons is what produces the tooltip
+; Note that '+' sign is required after first semicolon for tooltop to appear in TunerStudio
+;
+;
+;
 
 ; this should stop TS from looking for the CAN ID in the 2nd byte location and allow the page reads to work correctly.
 enable2ndByteCanID = false
diff --git a/firmware/tunerstudio/rusefi_frankenso.ini b/firmware/tunerstudio/rusefi_frankenso.ini
index 3298e687c6..fd14d6afa9 100644
--- a/firmware/tunerstudio/rusefi_frankenso.ini
+++ b/firmware/tunerstudio/rusefi_frankenso.ini
@@ -3,6 +3,16 @@
 ; rusefi.ini is generated by invoking gen_config.bat (look inside for the exact command to run it outside of Windows)
 ; inputs are rusefi.input template and rusefi_config.txt file
 ;
+;
+; Some fields have little question mark on the left of the name for additional field tips.
+; Those tips are defined in ../integraion/rusefi_config.txt file for example
+;
+;     float bias_resistor;+Pull-up resistor value on your board;"Ohm"
+; here 'bias_resistor' is internal field name and the text between semicolons is what produces the tooltip
+; Note that '+' sign is required after first semicolon for tooltop to appear in TunerStudio
+;
+;
+;
 
 ; this should stop TS from looking for the CAN ID in the 2nd byte location and allow the page reads to work correctly.
 enable2ndByteCanID = false
@@ -72,7 +82,7 @@ enable2ndByteCanID = false
 
 ; see PAGE_0_SIZE in C source code    
 ; CONFIG_DEFINITION_START
-; this section was generated automatically by ConfigDefinition.jar based on integration\rusefi_config.txt Tue Jun 11 20:29:13 EDT 2019
+; this section was generated automatically by ConfigDefinition.jar based on integration\rusefi_config.txt Wed Jun 12 12:44:45 EDT 2019
 
 pageSize            = 20000
 page = 1
diff --git a/firmware/tunerstudio/rusefi_microrusefi.ini b/firmware/tunerstudio/rusefi_microrusefi.ini
index 5e7b5b5821..27f037436c 100644
--- a/firmware/tunerstudio/rusefi_microrusefi.ini
+++ b/firmware/tunerstudio/rusefi_microrusefi.ini
@@ -3,6 +3,16 @@
 ; rusefi.ini is generated by invoking gen_config.bat (look inside for the exact command to run it outside of Windows)
 ; inputs are rusefi.input template and rusefi_config.txt file
 ;
+;
+; Some fields have little question mark on the left of the name for additional field tips.
+; Those tips are defined in ../integraion/rusefi_config.txt file for example
+;
+;     float bias_resistor;+Pull-up resistor value on your board;"Ohm"
+; here 'bias_resistor' is internal field name and the text between semicolons is what produces the tooltip
+; Note that '+' sign is required after first semicolon for tooltop to appear in TunerStudio
+;
+;
+;
 
 ; this should stop TS from looking for the CAN ID in the 2nd byte location and allow the page reads to work correctly.
 enable2ndByteCanID = false
@@ -72,7 +82,7 @@ enable2ndByteCanID = false
 
 ; see PAGE_0_SIZE in C source code    
 ; CONFIG_DEFINITION_START
-; this section was generated automatically by ConfigDefinition.jar based on integration\rusefi_config.txt Tue Jun 11 20:29:11 EDT 2019
+; this section was generated automatically by ConfigDefinition.jar based on integration\rusefi_config.txt Wed Jun 12 12:44:43 EDT 2019
 
 pageSize            = 20000
 page = 1
diff --git a/firmware/tunerstudio/rusefi_prometheus.ini b/firmware/tunerstudio/rusefi_prometheus.ini
index 878b2fc8c6..7fdef4b9d5 100644
--- a/firmware/tunerstudio/rusefi_prometheus.ini
+++ b/firmware/tunerstudio/rusefi_prometheus.ini
@@ -3,6 +3,16 @@
 ; rusefi.ini is generated by invoking gen_config.bat (look inside for the exact command to run it outside of Windows)
 ; inputs are rusefi.input template and rusefi_config.txt file
 ;
+;
+; Some fields have little question mark on the left of the name for additional field tips.
+; Those tips are defined in ../integraion/rusefi_config.txt file for example
+;
+;     float bias_resistor;+Pull-up resistor value on your board;"Ohm"
+; here 'bias_resistor' is internal field name and the text between semicolons is what produces the tooltip
+; Note that '+' sign is required after first semicolon for tooltop to appear in TunerStudio
+;
+;
+;
 
 ; this should stop TS from looking for the CAN ID in the 2nd byte location and allow the page reads to work correctly.
 enable2ndByteCanID = false
@@ -72,7 +82,7 @@ enable2ndByteCanID = false
 
 ; see PAGE_0_SIZE in C source code    
 ; CONFIG_DEFINITION_START
-; this section was generated automatically by ConfigDefinition.jar based on integration\rusefi_config.txt Tue Jun 11 20:29:15 EDT 2019
+; this section was generated automatically by ConfigDefinition.jar based on integration\rusefi_config.txt Wed Jun 12 12:44:47 EDT 2019
 
 pageSize            = 20000
 page = 1