diff --git a/CHANGELOG.md b/CHANGELOG.md
index 73b0a26..1e96499 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -21,6 +21,7 @@ options. The project adheres to semantic versioning.
 ### Changed
 
 * Cleanup exception code, add cxxopts::exceptions namespace.
+* Renamed several exceptions to be more descriptive, and added to a nested namespace.
 
 ### Bug Fixes