Add \ before - in release number

doc/man/man1/sreport.1

@@ -337,7 +337,7 @@ Report top usage in percent of the lc account during the specified week
 .SH "COPYING"
 Copyright (C) 2009 Lawrence Livermore National Security.
 Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER).
-CODE-OCEC-09-009. All rights reserved.
+CODE\-OCEC\-09\-009. All rights reserved.
 .LP
 This file is part of SLURM, a resource management program.
 For details, see <https://computing.llnl.gov/linux/slurm/>.