man/ruby.1: [DOC] fix grammar

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63157 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

man/ruby.1

@@ -137,7 +137,7 @@ to see how they are being developed and used.
 .El
 .Pp
 .Sh OPTIONS
-Ruby interpreter accepts following command-line options (switches).
+The Ruby interpreter accepts the following command-line options (switches).
 They are quite similar to those of
 .Xr perl 1 .
 .Bl -tag -width "1234567890123" -compact
@@ -147,7 +147,7 @@ Prints the copyright notice, and quits immediately without running any
 script.
 .Pp
 .It Fl -version
-Prints the version of Ruby interpreter, and quits immediately without
+Prints the version of the Ruby interpreter, and quits immediately without
 running any script.
 .Pp
 .It Fl 0 Ns Op Ar octal