README.md in psd_native-0.4.0 vs README.md in psd_native-0.5.0

@@ -9,9 +9,11 @@
 * RGB processing
 * CMYK processing
 * Greyscale processing
 * RLE decoding
 * Some color conversions
+* Color composition
+* Clipping masks
 
 ## Installation
 
 Add this line to your application's Gemfile: