ChangeLog: remove unnecessary preposition [ci skip]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53426 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2016-01-04 01:50:06 +00:00 · 2016-01-04 01:50:06 +00:00 · 8fe2421ef1
--- a/2
+++ b/2
@ -58,7 +58,7 @@ Sat Jan  2 02:27:22 2016  Marc-Andre Lafortune  <ruby-core@marc-andre.ca>

 Fri Jan  1 22:01:52 2016  Kazuhiro NISHIYAMA  <zn@mbf.nifty.com>

-	* NEWS: mention about CSV's liberal_parsing option.
+	* NEWS: mention CSV's liberal_parsing option.

 Fri Jan  1 19:38:23 2016  okkez  <okkez000@gmail.com>