examples/constitute.rb in rmagick-3.1.0 vs examples/constitute.rb in rmagick-3.2.0

@@ -2,6 +2,6 @@
 require 'rmagick'
 
 f = Magick::Image.read('../doc/ex/images/Flower_Hat.jpg').first
 pixels = f.dispatch(0, 0, f.columns, f.rows, 'RGB')
 image = Magick::Image.constitute(f.columns, f.rows, 'RGB', pixels)
-image.write('constitute.miff')
+image.write('constitute.png')