rdoc update.

git-svn-id: http://svn.ruby-lang.org/repos/ruby/trunk@22993 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 1 deletions

diff --git a/io.c b/io.c
index 817f6e6d1..2c6eb3533 100644
--- a/io.c
+++ b/io.c
@@ -2018,7 +2018,7 @@ rb_io_write_nonblock(VALUE io, VALUE str)
  *       end
  *     }
  *
- *  Note that this method behaves like fread function in C.
+ *  Note that this method behaves like fread() function in C.
  *  If you need the behavior like read(2) system call,
  *  consider readpartial, read_nonblock and sysread.
  */