Fix typo

MacOS -> macOS

Author: changeworld

articles/sentinel/migration-ingestion-tool.md

@@ -62,7 +62,7 @@ If you choose LightIngest, review these tips and best practices.
 
 ### Logstash 
 
-[Logstash](https://www.elastic.co/products/logstash) is an open source, server-side data processing pipeline that ingests data from many sources simultaneously, transforms the data, and then sends the data to your favorite "stash". Learn how to [ingest data from Logstash to Azure Data Explorer](/azure/data-explorer/ingest-data-logstash). Logstash runs  on Windows, Linux and MacOS Machines.
+[Logstash](https://www.elastic.co/products/logstash) is an open source, server-side data processing pipeline that ingests data from many sources simultaneously, transforms the data, and then sends the data to your favorite "stash". Learn how to [ingest data from Logstash to Azure Data Explorer](/azure/data-explorer/ingest-data-logstash). Logstash runs  on Windows, Linux and macOS Machines.
 
 To optimize performance, [configure the Logstash tier size](https://www.elastic.co/guide/en/logstash/current/deploying-and-scaling.html) according to the events per second. We recommend that you use [LightIngest](#lightingest) wherever possible, because LightIngest relies on the ADX cluster computing to perform the copy.