diff -r eb6c564192f4 -r 75d11cc05ce4 src/Utils.h
--- a/src/Utils.h	Tue Mar 15 17:00:54 2022 +0100
+++ b/src/Utils.h	Wed Mar 16 21:26:31 2022 +0100
@@ -1,6 +1,8 @@
 #ifndef _UTILS_H
 #define	_UTILS_H
 
+#include <QString>
+
 
 /**
  * @namespace Utils
@@ -13,6 +15,9 @@
     double kolbach_to_lintner(double kolbach);
     double ebc_to_srm(double ebc);
     double srm_to_ebc(double srm);
+
+    QString hours_to_string(int hours);
+
 }
 
 #endif