diff -r 31419b7cee69 -r 349c0c5bd512 src/Utils.h
--- a/src/Utils.h	Wed Nov 16 17:26:27 2022 +0100
+++ b/src/Utils.h	Thu Nov 17 17:23:54 2022 +0100
@@ -87,15 +87,15 @@
      * @param Whirlpool6 time in whirlpool between 60°C amd 66°C.
      * @param Fulltime, full boiltime, even for aroma hops.
      * @param Cooltype 0 = N/A, 1 = Emersion chiller, 2 = Counterflow, 3 = Au bain marie, 4 = natural
-     * @param Coolparm1 to define later
-     * @param Coolparm2 to define later
+     * @param CoolTo79 Chiller time to 79 degrees for immersion chillers.
+     * @param CoolLPM Chiller transfer liters/minute for counterflow chillers.
      * @param Utilisation Hop extract utilisation
      * @param BU_factor Bitterness Unit multiply factor
      * @return The calculated IBU's
      */
     double toIBU(int Use, int Form, double preSG, double postSG, double Volume, double Amount, double Boiltime, double Alpha,
                  int Method, double Whirlpool9, double Whirlpool7, double Whirlpool6, double Fulltime,
-		 int Cooltype, double Coolparm1, double Coolparm2, double Utilisation, double BU_factor);
+		 int Cooltype, double CoolTo79, double CoolLPM, double Utilisation, double BU_factor);
 
     /**
      * @brief Estimate hop flavour contribution.