diff --git a/.gitignore b/.gitignore
index a82641b..37253aa 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,11 +1,16 @@
+# Cache files.
 /*.egg-info/
 **/__pycache__/
 /.mypy_cache/
 
+# Machine-specific stuff.
 /.pdm.toml
 /.venv/
 
+# Large/binary files.
 /data/*
 !/data/.keep
 /training/data/*
 !/training/data/.keep
+/training/checkpoints/
+*.pt