README.md in assembly-image-1.7.0 vs README.md in assembly-image-1.7.1

- old
+ new

@@ -48,10 +48,11 @@
 * 1.6.2-1.6.3 small change to jp2 generation to try and fix bug with tiffs that have multiple input profile layers
 * 1.6.4 added in some additional checks to try and create jp2s with mismatching exif data
 * 1.6.5 fix problem with lack of extension in incoming tif causing a problem when creating jp2
 * 1.6.7 release to github/rubygems
 * 1.6.9 update mini_exiftool
+* 1.7.1 for jp2, only transcode to tiff if not a tiff 
 
 ## Notes
 
 1. The gem assumes that the user context in which it is executed has write access to the 'tmp' folder.
 This is because color profiles can be extracted from images during the JP2
@@ -96,13 +97,12 @@
 yard server --reload
 ```
 
 ## Prerequisites
 
-1. Perl - you probably already have it
-2. Kakadu Proprietary Software Binaries - for JP2 generation
-3. ImageMagick 6.5.4 or higher
-4. Exiftool
+1. Kakadu Proprietary Software Binaries - for JP2 generation
+1. ImageMagick 6.5.4 or higher
+1. Exiftool
 
 ### Kakadu
 
 Download and install demonstration binaries from Kakadu:
 http://kakadusoftware.com/downloads/