1 files changed, 1 insertions, 1 deletions
diff --git a/io.c b/io.c
index 3ac591a113..1d3677ad62 100644
--- a/io.c
+++ b/io.c
@@ -12078,7 +12078,7 @@ rb_readwrite_sys_fail(int writable, const char *mesg)
  *  Example:
  *
  *    require 'io/console'
- *    rows, columns = $stdin.winsize
+ *    rows, columns = $stdout.winsize
  *    puts "Your screen is #{columns} wide and #{rows} tall"
  */