diff --git a/aurora/utilities/utils.py b/aurora/utilities/utils.py
index 87173c8..7b29cad 100644
--- a/aurora/utilities/utils.py
+++ b/aurora/utilities/utils.py
@@ -223,7 +223,7 @@ async def send_evidenceformat(interaction: Interaction, case_dict: dict):
     )
     await interaction.followup.send(content=content, ephemeral=True)
 
-def convert_timedelta_to_str(timedelta: td):
+def convert_timedelta_to_str(timedelta: td) -> str:
     """This function converts a timedelta object to a string."""
     total_seconds = int(timedelta.total_seconds())
     hours = total_seconds // 3600