format

Author: andygrove

docs/source/contributor-guide/parquet_scans.md

@@ -41,8 +41,7 @@ implementation:
 - Improves performance
 
 > **Note on mutable buffers:** Both `native_comet` and `native_iceberg_compat` use reusable mutable buffers
-> when transferring data from JVM to native code via Arrow FFI. The `native_iceberg_compat` implementation uses DataFusion's native Parquet reader for data columns, bypassing Comet's mutable buffer infrastructure entirely. However, partition columns still use `ConstantColumnReader`, which relies on Comet's mutable buffers that are reused across batches. This means native operators that
-> buffer data (such as `SortExec` or `ShuffleWriterExec`) must perform deep copies to avoid data corruption.
+> when transferring data from JVM to native code via Arrow FFI. The `native_iceberg_compat` implementation uses DataFusion's native Parquet reader for data columns, bypassing Comet's mutable buffer infrastructure entirely. However, partition columns still use `ConstantColumnReader`, which relies on Comet's mutable buffers that are reused across batches. This means native operators that buffer data (such as `SortExec` or `ShuffleWriterExec`) must perform deep copies to avoid data corruption.
 > See the [FFI documentation](ffi.md) for details on the `arrow_ffi_safe` flag and ownership semantics.
 
 The `native_datafusion` and `native_iceberg_compat` scans share the following limitations: