diff --git a/firmware/controllers/algo/rusefi_enums.h b/firmware/controllers/algo/rusefi_enums.h
index f5dcff2702..d5916e6a92 100644
--- a/firmware/controllers/algo/rusefi_enums.h
+++ b/firmware/controllers/algo/rusefi_enums.h
@@ -205,6 +205,10 @@ typedef enum {
 	TT_GM_7X = 5,
 	TT_MINI_COOPER_R50 = 6,
 	TT_MAZDA_SOHC_4 = 7,
+	/**
+	 * "60/2"
+	 * See also TT_ONE_PLUS_TOOTHED_WHEEL_60_2
+	 */
 	TT_TOOTHED_WHEEL_60_2 = 8,
 	TT_TOOTHED_WHEEL_36_1 = 9,
 
@@ -222,7 +226,9 @@ typedef enum {
 
 	TT_MAZDA_DOHC_1_4 = 15,
 
+	// "1+1"
 	TT_ONE_PLUS_ONE = 16,
+	// "1+60/2"
 	TT_ONE_PLUS_TOOTHED_WHEEL_60_2 = 17,
 	TT_ONE = 18,
 
diff --git a/firmware/tunerstudio/rusefi.input b/firmware/tunerstudio/rusefi.input
index 0082f77838..2d83bc33c3 100644
--- a/firmware/tunerstudio/rusefi.input
+++ b/firmware/tunerstudio/rusefi.input
@@ -1301,6 +1301,7 @@ cmd_set_engine_type_etb_test				= "w\x00\x30\x00\x3A"
 
 ;			Engine->Trigger configuration
 	dialog = triggerConfiguration_settings,	"Settings Trigger"
+		field = "!https://rusefi.com/wiki/index.php?title=Manual:Software:Trigger"
 		field = "Trigger type",							trigger_type
 		field = "Operation mode / speed",				operationMode
 		field = "With VR sensors only rising edge has reliable position"