message: Explain when reindex-chainstate can be used instead of reindex
diff: @@ -384,7 +384,7 @@ void SetupServerArgs()
  "Warning: Reverting this setting requires re-downloading the entire blockchain. "
  "(default: 0 = disable pruning blocks, 1 = allow manual pruning via RPC, >%u = automatically prune block files to stay under the specified target size in MiB)", MIN_DISK_SPACE_FOR_BLOCK_FILES / 1024 / 1024), false, OptionsCategory::OPTIONS);
  gArgs.AddArg("-reindex", "Rebuild chain state and block index from the blk*.dat files on disk", false, OptionsCategory::OPTIONS);
  - gArgs.AddArg("-reindex-chainstate", "Rebuild chain state from the currently indexed blocks", false, OptionsCategory::OPTIONS);
  + gArgs.AddArg("-reindex-chainstate", "Rebuild chain state from the currently indexed blocks. When in pruning mode or if blocks on disk might be corrupted, use full -reindex instead.", false, OptionsCategory::OPTIONS);
  #ifndef WIN32
  gArgs.AddArg("-sysperms", "Create new files with system default permissions, instead of umask 077 (only effective with disabled wallet functionality)", false, OptionsCategory::OPTIONS);
  #else
  