Merge pull request #270 from koic/fix_a_typo

Fix a typo

Author: flavorjones

README.rdoc

@@ -4,7 +4,7 @@
 
 == DESCRIPTION:
 
-  Racc is a LALR(1) parser generator.
+  Racc is an LALR(1) parser generator.
   It is written in Ruby itself, and generates Ruby program.
 
 == Requirement

doc/en/racc.en.rhtml

@@ -17,7 +17,7 @@
 </p>
 
 <p>
-Racc (Ruby yACC) is a LALR(1) parser generator for Ruby.
+Racc (Ruby yACC) is an LALR(1) parser generator for Ruby.
 Version 1.4.x is stable release.
 </p>
 <p>

lib/racc/parser.rb

@@ -19,7 +19,7 @@ class ParseError < StandardError; end
   ParseError = Racc::ParseError # :nodoc:
 end
 
-# Racc is a LALR(1) parser generator.
+# Racc is an LALR(1) parser generator.
 # It is written in Ruby itself, and generates Ruby programs.
 #
 # == Command-line Reference

racc.gemspec

@@ -9,9 +9,9 @@ end
 Gem::Specification.new do |s|
   s.name = "racc"
   s.version = Racc::VERSION
-  s.summary = "Racc is a LALR(1) parser generator"
+  s.summary = "Racc is an LALR(1) parser generator"
   s.description = <<DESC
-Racc is a LALR(1) parser generator.
+Racc is an LALR(1) parser generator.
   It is written in Ruby itself, and generates Ruby program.
 
   NOTE: Ruby 1.8.x comes with Racc runtime module.  You