diff --git a/core/data/tof/CbmTofDetectorId_v21a.h b/core/data/tof/CbmTofDetectorId_v21a.h
index 6725a2007e16d800892ca005ec6c9fe14ece5416..bb46f9efc0ab0c7900fe93e518e5850266818625 100644
--- a/core/data/tof/CbmTofDetectorId_v21a.h
+++ b/core/data/tof/CbmTofDetectorId_v21a.h
@@ -20,12 +20,12 @@
 //                                  3         2         1          shift length
 /** Current definition:            10987654321098765432109876543210
  ** System ID (kTOF=6) on bits 0-3 00000000000000000000000000001111       15
- ** Module ID on bits 4-11         00000000000000000000011111110000 <<4   127
- ** Module Type on bits 12-15      00000000000000000111100000000000 <<11  15
- ** Counter ID on bits 16-23       00000000000111111000000000000000 <<15  63
- ** Side/Gap NR on bits 20-23      00000000001000000000000000000000 <<21  1
- ** Strip ID on bits 24-31         00001111110000000000000000000000 <<22  255
- *  Counter Type                   11110000000000000000000000000000 <<28  15
+ ** Module ID on bits 4-10         00000000000000000000011111110000 <<4   127
+ ** Module Type on bits 11-14      00000000000000000111100000000000 <<11  15
+ ** Counter ID on bits 15-20       00000000000111111000000000000000 <<15  63
+ ** Side/Gap NR on bits 21-21      00000000001000000000000000000000 <<21  1
+ ** Strip ID on bits 22-27         00001111110000000000000000000000 <<22  255
+ *  Counter Type on bits 28 - 31   11110000000000000000000000000000 <<28  15
  **/