Change may to might in Readme (elastic#15099)

For localization, might is a better term than may.

README.md

@@ -30,7 +30,7 @@ If you want to use a Kibana release in production, give it a test run, or just p
 
 ### Building and Running Kibana, and/or Contributing Code
 
-You may want to build Kibana locally to contribute some code, test out the latest features, or try
+You might want to build Kibana locally to contribute some code, test out the latest features, or try
 out an open PR:
 
 - [CONTRIBUTING.md](CONTRIBUTING.md) will help you get Kibana up and running.
@@ -73,4 +73,4 @@ _Note: The version numbers below are only examples, meant to illustrate the rela
 - If you've found a bug or want to request a feature, please create a [GitHub Issue](https://github.com/elastic/kibana/issues/new).
 Please check to make sure someone else hasn't already created an issue for the same topic.
 - Need help using Kibana? Ask away on our [Kibana Discuss Forum](https://discuss.elastic.co/c/kibana) and a fellow community member or
-Elastic engineer will be glad to help you out.
+Elastic engineer will be glad to help you out.