"Linux and MacOS" => "Linux or MacOS" (opensearch-project#6576)

checked against the detail page on installation

Signed-off-by: Stavros Macrakis <[email protected]>
Co-authored-by: Naarcha-AWS <[email protected]>

Author: smacrakis

_benchmark/index.md

@@ -18,7 +18,7 @@ OpenSearch Benchmark is a macrobenchmark utility provided by the [OpenSearch Pro
 - Informing decisions about when to upgrade your cluster to a new version.
 - Determining how changes to your workflow---such as modifying mappings or queries---might impact your cluster.
 
-OpenSearch Benchmark can be installed directly on a compatible host running Linux and macOS. You can also run OpenSearch Benchmark in a Docker container. See [Installing OpenSearch Benchmark]({{site.url}}{{site.baseurl}}/benchmark/installing-benchmark/) for more information.
+OpenSearch Benchmark can be installed directly on a compatible host running Linux or macOS. You can also run OpenSearch Benchmark in a Docker container. See [Installing OpenSearch Benchmark]({{site.url}}{{site.baseurl}}/benchmark/installing-benchmark/) for more information.
 
 The following diagram visualizes how OpenSearch Benchmark works when run against a local host: