Update cluster-settings.md (#11503)

Signed-off-by: kolchfa-aws <[email protected]>

Author: kolchfa-aws

_install-and-configure/configuring-opensearch/cluster-settings.md

@@ -145,7 +145,7 @@ OpenSearch supports the following cluster-level shard, block, and task settings:
 
 OpenSearch supports the following cluster-level search settings:
 
-- `cluster.search.ignore_awareness_attributes` (Boolean): Controls whether awareness attributes are considered during shard query routing. If `true` (default), the cluster ignores awareness attributes and uses Adaptive Replica Selection (ARS) to choose the optimal shard copy, reducing query response latency. Set this to `false` for routing decisions to prioritize awareness attributes instead of performance-based selection.
+- `cluster.search.ignore_awareness_attributes` (Boolean): Controls whether awareness attributes are considered during shard query routing. If `true`, the cluster ignores awareness attributes and uses Adaptive Replica Selection (ARS) to choose the optimal shard copy, reducing query response latency. Set this to `false` for routing decisions to prioritize awareness attributes instead of performance-based selection. Default is `false` (`true` for Amazon OpenSearch Service).
 
 ## Cluster-level slow log settings