diff --git a/adafruit_sdcard.py b/adafruit_sdcard.py
index 9d110fd..6a46e50 100644
--- a/adafruit_sdcard.py
+++ b/adafruit_sdcard.py
@@ -490,6 +490,7 @@ def _calculate_crc_table():
 def calculate_crc(message):
     """
     Calculate the CRC of message[0:5], using a precomputed table in CRC_TABLE.
+
     :param bytearray message: Where each index is a byte
     """