diff --git a/CHANGELOG.md b/CHANGELOG.md
index beddad3a..5262f7bd 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,3 +10,5 @@ Bug Fixes:
 - Fixed the compiler to allow application of a function that can take any number of arguments. For example:
 
          ((lambda test (write test)) 1 2 3 4)
+
+- Updated `eval` to handle functions that take an optional number of arguments.