diff --git a/pages/总复习2023t1.md b/pages/总复习2023t1.md
index fce78c2..2ccefbf 100644
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@@ -1276,7 +1276,7 @@
 					- explain the application areas of NoSQL #flashcard
 					  id:: 648974ba-b39b-47b7-8b9f-ca9250bef8ba
 						- NoSQL is an alternative, non-traditional DB technology to be
-						  used in large scale environments where (ACID) transactions are not a priority.
+						  used in large scale environments where (ACID) transactions are not a priority. (low updates)
 						- CAP theorem: #flashcard
 						  id:: 648974ba-910d-42ae-89a9-5017194f6827
 							- There are 3 main properties for distributed management: