* lib/racc/rdoc/grammar.en.rdoc: fix spell error.   [fix GH-1053][ci skip] Patch by @Matrixbirds
* lib/racc/rdoc/grammar.en.rdoc: fix spell error.
  [fix GH-1053][ci skip] Patch by @Matrixbirds

git-svn-id: ab86ecd26fe50a6a239cacb71380e346f71cee7d@52120 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

tenderlove/racc,tenderlove/racc,tenderlove/racc,tenderlove/racc,tenderlove/racc