Polish "Extend documentation on Datadog metrics"

See gh-30879

Author: wilkinsona

spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/metrics/export/datadog/DatadogProperties.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2020 the original author or authors.
+ * Copyright 2012-2022 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

spring-boot-project/spring-boot-docs/src/docs/asciidoc/actuator/metrics.adoc

@@ -145,7 +145,7 @@ If you additionally provide an application key (optional), then metadata such as
 ----
 
 By default, metrics are sent to the Datadog US https://docs.datadoghq.com/getting_started/site[site] (`https://api.datadoghq.com`).
-In case your Datadog project is hosted on one of the other sites, or you need to send metrics through a proxy, change the API base URL accordingly:
+If your Datadog project is hosted on one of the other sites, or you need to send metrics through a proxy, configure the URI accordingly:
 
 [source,yaml,indent=0,subs="verbatim",configprops,configblocks]
 ----