diff --git a/src/nanotron/constants.py b/src/nanotron/constants.py
index 580bd99d..81b78e20 100644
--- a/src/nanotron/constants.py
+++ b/src/nanotron/constants.py
@@ -6,7 +6,7 @@
 
 PY_VERSION = parse(platform.python_version())
 
-#### FOR SERIALIZATION ####
+##### FOR SERIALIZATION #####
 
 CHECKPOINT_FILE_NAME = "checkpoint_metadata.json"
 MODEL_CONFIG_FILE_NAME = "model_config.json"