README.rdoc in rtesseract-0.0.9 vs README.rdoc in rtesseract-0.0.10

@@ -22,10 +22,18 @@
 
   image = RTesseract.new("my_image.jpg")
   image.source = "new_image.png"
   image.to_s
 
+=== TRANSFORM THE IMAGE
+
+  image = RTesseract.read("my_image.jpg") do |img|
+    img = img.white_threshold(245)
+    img = img.quantize(256,Magick::GRAYColorspace)
+  end
+  image.to_s
+
 === CONVERT PARTS OF IMAGE TO STRING
 
   mix_block = RTesseract::Mixed.new("test.jpg") do |image|
     image.area(28,  19, 25, 25)
     image.area(180, 22, 20, 28)
@@ -56,6 +64,5 @@
 * Rubygems - http://rubygems.org/gems/rtesseract
 
 == Copyright
 
 Copyright (c) 2010 Danilo Jeremias da Silva. See LICENSE for details.
-