diff --git a/firmware/config/engines/mazda_miata_vvt.cpp b/firmware/config/engines/mazda_miata_vvt.cpp
index 8bbe53efa6..7c0ae5c7d7 100644
--- a/firmware/config/engines/mazda_miata_vvt.cpp
+++ b/firmware/config/engines/mazda_miata_vvt.cpp
@@ -750,6 +750,9 @@ void setMiataNB2_Proteus_TCU(DECLARE_CONFIG_PARAMETER_SIGNATURE) {
 
 }
 
+/**
+ * https://github.com/rusefi/rusefi/wiki/HOWTO-Miata-NB2-on-Proteus
+ */
 void setMiataNB2_ProteusEngineConfiguration(DECLARE_CONFIG_PARAMETER_SIGNATURE) {
     setMazdaMiataEngineNB2Defaults(PASS_CONFIG_PARAMETER_SIGNATURE);
 
@@ -767,9 +770,9 @@ void setMiataNB2_ProteusEngineConfiguration(DECLARE_CONFIG_PARAMETER_SIGNATURE)
 
     engineConfiguration->ignitionMode = IM_WASTED_SPARK;
 
-    engineConfiguration->ignitionPins[0] = GPIOD_4;
+    engineConfiguration->ignitionPins[0] = GPIOD_4; // "Ign 1"         # pin 35/black35
     engineConfiguration->ignitionPins[1] = GPIO_UNASSIGNED;
-    engineConfiguration->ignitionPins[2] = GPIOC_9;
+    engineConfiguration->ignitionPins[2] = GPIOC_9; // "Ign 3"         # pin 22/black35
     engineConfiguration->ignitionPins[3] = GPIO_UNASSIGNED;
 
     engineConfiguration->crankingInjectionMode = IM_SIMULTANEOUS;