diff --git a/scst/src/scst_proc.c b/scst/src/scst_proc.c
index e9e2566b7..5013499c6 100644
--- a/scst/src/scst_proc.c
+++ b/scst/src/scst_proc.c
@@ -167,7 +167,7 @@ static char *scst_proc_help_string =
 "                            buff, mem, sg, out_of_mem, special, scsi,\n"
 "                            mgmt, minor, mgmt_dbg]\n"
 "     Additionally for /proc/scsi_tgt/trace_level there are these TOKENs\n"
-"       [scsi_serializing, retry, recv_bot, send_bot, recv_top, send_top]\n"
+"       [scsi_serializing, retry, recv_bot, send_bot, recv_top, send_top, pr, block]\n"
 "   echo \"dump_prs dev_name\" >/proc/scsi_tgt/trace_level\n"
 #endif
 ;
diff --git a/scst/src/scst_sysfs.c b/scst/src/scst_sysfs.c
index e0e92904a..6123da458 100644
--- a/scst/src/scst_sysfs.c
+++ b/scst/src/scst_sysfs.c
@@ -136,7 +136,7 @@ static ssize_t scst_trace_level_show(const struct scst_trace_log *local_tbl,
 		"		       special, scsi, mgmt, minor,\n"
 		"		       mgmt_dbg, scsi_serializing,\n"
 		"		       retry, recv_bot, send_bot, recv_top, pr,\n"
-		"		       send_top%s]\n", help != NULL ? help : "");
+		"		       block, send_top%s]\n", help != NULL ? help : "");
 
 	return pos;
 }