diff --git a/CHANGELOG.txt b/CHANGELOG.txt
index 027e419c..33ec7bfc 100644
--- a/CHANGELOG.txt
+++ b/CHANGELOG.txt
@@ -29,7 +29,8 @@ Changes to Raycast
 It's been unclassed (makes sense, removes template parameters).
 Switch from std::function to STL approach.
 Note functor is passed by reference rather than by value.
-Remove 0.5 offset?
 Resolved endpoints vs direction confusion
-Prevent short directions
-Prevent infinite loops (by preventing long directions?
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+
+Changes to AmbientOcclusionCalculator
+-------------------------------------
+It's been unclassed and is now called calculateAmbientOcclusion.
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