diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9775a73..ec13498 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,7 +5,8 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased]
-Nothing, yet.
+### Added
+- Print a warning message when `numLines` is missing from a font's config. Defaults to `numLines=2` in that case, rather than `0`.
 
 ## [3.4.0] - 2024-08-15
 - Add support for AutoVar commands.