diff --git a/src/tools/other/pb2nc/pb2nc.cc b/src/tools/other/pb2nc/pb2nc.cc
index a333b89277..4e780a3f03 100644
--- a/src/tools/other/pb2nc/pb2nc.cc
+++ b/src/tools/other/pb2nc/pb2nc.cc
@@ -446,7 +446,7 @@ int met_main(int argc, char *argv[]) {
       }
 
       mlog << Debug(2)
-           << "\nTotal Observations retained\t\t= " << n_total_obs << "\n";
+           << "\nTotal Observations retained or derived\t= " << n_total_obs << "\n";
 
 
       if (do_summary) {