diff --git a/Marlin/Configuration.h b/Marlin/Configuration.h
index 153929a43..f91b9b022 100644
--- a/Marlin/Configuration.h
+++ b/Marlin/Configuration.h
@@ -57,6 +57,7 @@
 //                          (but gives greater accuracy and more stable PID)
 // 51 is 100k thermistor - EPCOS (1k pullup)
 // 52 is 200k thermistor - ATC Semitec 204GT-2 (1k pullup)
+// 55 is 100k thermistor - ATC Semitec 104GT-2 (Used in ParCan) (1k pullup)
 
 #define TEMP_SENSOR_0 -1
 #define TEMP_SENSOR_1 0