diff --git a/fles/mcbm2018/tasks/CbmCheckTiming.h b/fles/mcbm2018/tasks/CbmCheckTiming.h
index 1d6a7129fe034e5b8e727783475e3c68f2e1992c..aa3024d5cca821585fccebf1e2d1a220e2b3aca3 100644
--- a/fles/mcbm2018/tasks/CbmCheckTiming.h
+++ b/fles/mcbm2018/tasks/CbmCheckTiming.h
@@ -242,7 +242,7 @@ private:
 
   UInt_t fuNbTofDigisSel   = 6;
   UInt_t fuNbTofDigiInSync = 0;
-  std::vector<Double_t> fvdTimeSelectedT0;
+  std::vector<Double_t> fvdTimeSelectedT0;  //!
   TH1* fSelT0StsDiff  = nullptr;
   TH1* fSelT0MuchDiff = nullptr;
   TH1* fSelT0TrdDiff  = nullptr;