diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3b5a9b73..01386f8a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,7 @@
 
 Features
 
+- Improve hash table lookup performance for symbols and increase the max bound of hash tables to `(2 ^ 30) - 1`.
 - Added basic support for square and curly brackets in place of parentheses.
 
 Bug Fixes