diff --git a/docs/HISTORY.txt b/docs/HISTORY.txt
index 43655c3d6..871cdbdd6 100644
--- a/docs/HISTORY.txt
+++ b/docs/HISTORY.txt
@@ -13,7 +13,7 @@ Changelog (Pillow)
 - Add experimental Tiff G3/G4 support.
   [wiredfool]
 
-- Backport PIL's PNG/Zip improvements: add new FASTOCTREE quantizer with alpha support, make ZIP compress level and type configurable, support reading/writing PNGs with paletted alpha.
+- Backport PIL's PNG/Zip improvements.
   [olt]
 
 - Many other bug fixes and enhancements by many other people (see docs/CONTRIBUTORS.txt).