diff --git a/firmware/controllers/trigger/decoders/trigger_structure.h b/firmware/controllers/trigger/decoders/trigger_structure.h
index d1d4a687c6..8f374f00ee 100644
--- a/firmware/controllers/trigger/decoders/trigger_structure.h
+++ b/firmware/controllers/trigger/decoders/trigger_structure.h
@@ -118,7 +118,6 @@ public:
 
 	/**
 	 * this variable is incremented after each trigger shape redefinition
-	 * See also
 	 */
 	int version = 0;
 
diff --git a/firmware/integration/rusefi_config.txt b/firmware/integration/rusefi_config.txt
index 118acae323..f925ab0a44 100644
--- a/firmware/integration/rusefi_config.txt
+++ b/firmware/integration/rusefi_config.txt
@@ -194,6 +194,7 @@ struct_no_prefix engine_configuration_s
 #define TRIGGER_IS_CRANK_KEY "crankBased"
 #define TRIGGER_IS_SECOND_WHEEL_CAM "isSecondWheelCam"
 #define TRIGGER_HAS_SECOND_CHANNEL "hasSecondChannel"
+#define TRIGGER_HARDCODED_OPERATION_MODE "knownOperationMode"
 
 ! 
 ! all the xxx_PACKING_xxx constants are about persisting tables in compact for, for example packing RPM with 50 increment in a byte
diff --git a/unit_tests/tests/trigger/test_all_triggers.cpp b/unit_tests/tests/trigger/test_all_triggers.cpp
index b33ac79ee5..e0a52fa72e 100644
--- a/unit_tests/tests/trigger/test_all_triggers.cpp
+++ b/unit_tests/tests/trigger/test_all_triggers.cpp
@@ -67,9 +67,10 @@ TEST_P(AllTriggersFixture, TestTrigger) {
 	ASSERT_FALSE(shape->shapeDefinitionError) << "Trigger shapeDefinitionError";
 
 	fprintf(fp, "TRIGGERTYPE %d %d %s %.2f\n", tt, shape->getLength(), getTrigger_type_e(tt), shape->tdcPosition);
-	// todo: use getCrankDivider insread to support symmetrical crank wheels?
+	// todo: use getCrankDivider instead to support symmetrical crank wheels?
 	fprintf(fp, "%s=%s\n", TRIGGER_IS_CRANK_KEY, shape->getOperationMode() == FOUR_STROKE_CRANK_SENSOR ? "true" : "false");
 	fprintf(fp, "%s=%s\n", TRIGGER_IS_SECOND_WHEEL_CAM, shape->isSecondWheelCam ? "true" : "false");
+	fprintf(fp, "%s=%s\n", TRIGGER_HAS_SECOND_CHANNEL, shape->needSecondTriggerInput ? "true" : "false");
 	fprintf(fp, "# duty %.2f %.2f\n", shape->expectedDutyCycle[0], shape->expectedDutyCycle[1]);
 
 	for (size_t i = 0; i < shape->getLength(); i++) {