diff --git a/src/MNH_OPENACC_NV_CR.CPP b/src/MNH_OPENACC_NV_CR.CPP
index 5ef2fefc2357abb4f25a945b778162a62dcef414..789b00891f5d6e1459e3a51ce065a99c9279921e 100644
--- a/src/MNH_OPENACC_NV_CR.CPP
+++ b/src/MNH_OPENACC_NV_CR.CPP
@@ -1,15 +1,15 @@
-#
-# Some Macro to bypass OpenACC incompatiblity beetwen Nvidia & Cray Compiler
-#
+//#
+//# Some Macro to bypass OpenACC incompatiblity beetwen Nvidia & Cray Compiler
+//#
 
-# Activate $acc directive only for Nvidia Compiler
+//# Activate $acc directive only for Nvidia Compiler
 #ifdef MNH_COMPILER_NVHPC
 #define acc_nv acc
 #else
 #define acc_nv !/!\ NOT ACTIVATE acc
 #endif
 
-# Activate present directive only for Cray Compiler
+//# Activate present directive only for Cray Compiler
 #ifdef MNH_COMPILER_CCE
 #define present_cr present
 #else