diff --git a/delivery/overview.mdx b/delivery/overview.mdx
index 29d9efc3..7af6bdd9 100644
--- a/delivery/overview.mdx
+++ b/delivery/overview.mdx
@@ -134,7 +134,7 @@ File sink currently supports only append-only mode, so please change the query t
 ## Batching strategy for file sink
 
 <Note>
-Batching strategy for file sink is available since version 2.1.
+Added in version 2.1.
 </Note>
 
 RisingWave implements batching strategies for file sinks to optimize file management by preventing the generation of numerous small files. The batching strategy is available for Parquet, JSON, and CSV encode. 
diff --git a/ingestion/overview.mdx b/ingestion/overview.mdx
index 93175770..64f95d1b 100644
--- a/ingestion/overview.mdx
+++ b/ingestion/overview.mdx
@@ -133,7 +133,7 @@ RisingWave supports reading data from file sources including AWS S3, GCS, and Az
 ### Batch reading from file source
 
 <Note>
-Batch reading from file source is available since version 2.1.
+Added in version 2.1.
 </Note>
 
 To read data in batch from file sources, you need to create a materialized view from the source or create a table with the appropriate connector. You can also directly query the file source. Below are examples using AWS S3.