diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2bfbe086b..01d4d3735 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -14,8 +14,9 @@ Released: YYYY XX, 2015
 
 #### Summary
 
-- `scale-hsla` image filter: parameters are no longer limited by interval [0, 1](https://github.com/mapnik/mapnik/pull/3054)
+- `scale-hsla` image filter: parameters are no longer limited by interval \[0, 1\] (https://github.com/mapnik/mapnik/pull/3054)
 - Windows: Fixed SVG file loading from unicode paths
+- `colorize-alpha` image filter: fixed normalization of color components (https://github.com/mapnik/mapnik/pull/3058)
 
 ## 3.0.4