- "-f|--full print full superblock information",
- "-a|--all print information about all superblocks",
- "-i <super_mirror> specify which mirror to print out",
- "-F|--force attempt to dump superblocks with bad magic",
- "-s <bytenr> specify alternate superblock offset",
+ "-f|--full print full superblock information, backup roots etc.",
+ "-a|--all print information about all superblocks",
+ "-s|--super <super> specify which copy to print out (values: 0, 1, 2)",
+ "-F|--force attempt to dump superblocks with bad magic",
+ "--bytenr <offset> specify alternate superblock offset",
+ "",
+ "Deprecated syntax:",
+ "-s <bytenr> specify alternate superblock offset, values other than 0, 1, 2",
+ " will be interpreted as --bytenr for backward compatibility,",
+ " option renamed for consistency with other tools (eg. check)",
+ "-i <super> specify which copy to print out (values: 0, 1, 2), now moved",
+ " to -s|--super",