From 4482be46ae8c9ed9864123903e114fcc833441ae Mon Sep 17 00:00:00 2001
From: Tom Christie
Date: Thu, 6 Nov 2014 11:10:36 +0000
Subject: More precise assertion error for bulk update

---
 rest_framework/serializers.py | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/rest_framework/serializers.py b/rest_framework/serializers.py
index cbac3992..68f9e362 100644
--- a/rest_framework/serializers.py
+++ b/rest_framework/serializers.py
@@ -525,11 +525,11 @@ class ListSerializer(BaseSerializer):
 
     def save(self, **kwargs):
         assert self.instance is None, (
-            "Serializers do not support multiple update by default, because "
-            "it would be unclear how to deal with insertions, updates and "
-            "deletions. If you need to support multiple update, use a "
-            "`ListSerializer` class and override `.save()` so you can specify "
-            "the behavior exactly."
+            "Serializers do not support multiple update by default, only "
+            "multiple create. For updates it is unclear how to deal with "
+            "insertions and deletions. If you need to support multiple update, "
+            "use a `ListSerializer` class and override `.save()` so you can "
+            "specify the behavior exactly."
         )
 
         validated_data = [
-- 
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