diff --git a/CHANGELOG.md b/CHANGELOG.md
index f71536749..d723989b5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,7 +8,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [3.4.0] - 2020-?-?
 ### Added
-Added: Horizontal/Vertical flip capability to images [\#824](https://github.com/gitbrent/PptxGenJS/pull/824) ([luism-s](https://github.com/luism-s))
+- Added: `firstSliceAngle` (Pie, Doughnut charts) [\#666](https://github.com/gitbrent/PptxGenJS/issues/666) ([ghost](https://github.com/ghost)) [\#809](https://github.com/gitbrent/PptxGenJS/pull/809) ([cronin4392](https://github.com/cronin4392))
+- Added: Horizontal/Vertical flip capability to images [\#824](https://github.com/gitbrent/PptxGenJS/pull/824) ([luism-s](https://github.com/luism-s))
 ### Changed
 - Fixed: bug when evaluating `catAxisLabelPos`,`valAxisLabelPos` props [\#829](https://github.com/gitbrent/PptxGenJS/pull/829) ([twatson83](https://github.com/twatson83))
 - Fixed: secondary axis param (`secondaryValAxis`) check [\#832](https://github.com/gitbrent/PptxGenJS/pull/832) ([twatson83](https://github.com/twatson83))