README.md: fix typo.

Dependencies

• [2] YIGMC2DM README.md: add missing information about "lshw.js" options.
• [3] FBAPT2WW executables: dynamically load help messages. lshw.js, main.js: add options to change score correction method and score factor multipliers. README.md: update.
• [4] IFVY3INI contracts.js: add --verbose and --check-delay options. README.md: update.
• [*] 2BKHJI2S init

Change contents

• replacement in README.md at line 240
  [2.1978]→[2.1978:2013](∅→∅)
  − `-l, --$multiplier-cash <FLOAT>`
  [2.1978]

  [2.2013]
  + `-l, --multiplier-cash <FLOAT>`