Merge pull request #3053 from rear/jsmeix-RBME-description

Better description of BACKUP=RBME in default.conf - triggered by
#3050 (comment)

usr/share/rear/conf/default.conf

@@ -2858,17 +2858,15 @@ REQUESTRESTORE_ABORT_FILE=${REQUESTRESTORE_ABORT_FILE:-}
 ####
 # BACKUP=RBME
 ##
-# This mode allows restoring a RBME backup from NFS shares.
-# As NFSv4 is not fully supported with ReaR (yet) it is safer to
-# use BACKUP_OPTIONS="nfsvers=3,nolock" in the local.conf file.
-# Note: You may have to open appropriate TCP/UDP ports on the NFS server (iptables).
-#
-# Configure the RBME backup ahead of time.
-# RBME will present you a list of all backups that are available.
-# A magic value of 'latest' will automatically use the latest backup.
+# Restoring a RBME backup from NFS shares during "rear recover".
+# Making a RBME backup is not implemented in ReaR.
+# See https://github.com/schlomo/rbme how to make a RBME backup.
+#
+# During "rear recover" RBME shows a list of all available backups.
+# The special value 'latest' will automatically use the latest backup.
 RBME_BACKUP=
 #
-# If the RBME hostname is different from the system hostname, configure it here
+# Specify a RBME hostname that is not the system hostname.
 # Example: RBME_HOSTNAME="$HOSTNAME-bcp"
 RBME_HOSTNAME=$HOSTNAME
 ####