From e01fe02653553cb2ba1c7ccf7da195ec4e28efb6 Mon Sep 17 00:00:00 2001
From: Bert Blommers <info@bertblommers.nl>
Date: Wed, 23 Oct 2019 08:03:42 +0100
Subject: [PATCH] DynamoDB - Update doc for update-method

---
 moto/dynamodb2/models.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/moto/dynamodb2/models.py b/moto/dynamodb2/models.py
index d4704bad7..3c1729f9e 100644
--- a/moto/dynamodb2/models.py
+++ b/moto/dynamodb2/models.py
@@ -36,9 +36,9 @@ def bytesize(val):
 
 def attribute_is_list(attr):
     """
-    Checks if attribute denotes a list, and returns the regular expression if so
+    Checks if attribute denotes a list, and returns the name of the list and the given list index if so
     :param attr: attr or attr[index]
-    :return: attr, re or None
+    :return: attr, index or None
     """
     list_index_update = re.match('(.+)\\[([0-9]+)\\]', attr)
     if list_index_update: