diff --git a/rest_framework/serializers.py b/rest_framework/serializers.py
index 74dd34be3..c655f47a9 100644
--- a/rest_framework/serializers.py
+++ b/rest_framework/serializers.py
@@ -1094,8 +1094,7 @@ class ModelSerializer(Serializer):
         for field_name in declared_fields.keys():
             if field_name in info.relations and info.relations[field_name].to_many and declared_fields[field_name].default is None:
                 raise ValueError(
-                    f"The field '{field_name}' on serializer '{self.__class__.__name__}' is a ManyToMany field and cannot have a default value of None. "
-                    "Please set an appropriate default value, such as an empty list, or remove the default."
+                    f"The field '{field_name}' on serializer '{self.__class__.__name__}' is a ManyToMany field and cannot have a default value of None."
                 )
 
         for field_name in field_names: