diff --git a/app/datamodel.cpp b/app/datamodel.cpp
index 388d68e..1b641f9 100755
--- a/app/datamodel.cpp
+++ b/app/datamodel.cpp
@@ -14,6 +14,7 @@ Notes:       [Any relevant details, such as dependencies, usage examples, or kno
 
 #include "datamodel.h"
 
+// initialze data for the control algorithm
 DataModel::DataModel()
 {
 
@@ -28,6 +29,7 @@ DataModel::DataModel()
     Kennfeld_Ueberhitzung = Kennfeld_Ueberhitzung_Default;
 }
 
+// provide current process data ( relevant sensor data for the control algorithm )
 void* DataModel::CurrentData(void)
 {
     return nullptr;