Update presto-docs/src/main/sphinx/release/release-0.290.rst

Co-authored-by: Steve Burnett <burnett@pobox.com>

Author: jaystarshot

presto-docs/src/main/sphinx/release/release-0.290.rst

@@ -58,7 +58,7 @@ ______________________________________
 * Add test for logical type storage in Parquet files. :pr:`23388`
 * Add a metric ``presto_cpp.memory_pushback_expected_reduction_bytes`` to track expected reduction in memory after a pushback attempt. :pr:`23872`
 * Add a new counter, presto_cpp.memory_pushback_reduction_bytes, to monitor the actual memory reduction achieved with each memory pushback attempt. :pr:`23813`
-* Allow setting chunk size in ChunkedSliceOutput, it can reduce memory in the cases of large number of small output buffer. :pr:`23707`
+* Improve setting buffer chunk size in ChunkedSliceOutput, which can reduce memory in the cases of large number of small output buffers. :pr:`23707`
 * Add ``native_max_local_exchange_partition_count`` session property which maps to the ``max_local_exchange_partition_count`` velox query property introduced in facebookincubator/velox#11292. :pr:`23910`
 * Add session property: ``native_writer_flush_threshold_bytes`` which specifies the minimum memory footprint size required to reclaim memory from a file writer by flushing its buffered data to disk. :pr:`23891`
 * Add session property: ``native_max_page_partitioning_buffer_size`` which specifies the maximum bytes to buffer per PartitionedOutput operator to avoid creating tiny SerializedPages. :pr:`23853`