apply suggestions from code review

Co-authored-by: Brandon Morelli <[email protected]>

Author: colleenmcginnis

docs/_snippets/applies_to-key.md

@@ -6,7 +6,7 @@
   * `ech`: Applies to [Elastic Cloud Hosted](https://www.elastic.co/docs/deploy-manage/deploy/elastic-cloud/cloud-hosted) deployments.
   * `ece`: Applies to [Elastic Cloud Enterprise](https://www.elastic.co/docs/deploy-manage/deploy/cloud-enterprise) deployments.
   * `self`: Applies to [self-managed](https://www.elastic.co/docs/deploy-manage/deploy/self-managed) deployments.
-  * `ess`: Applies to the the Elasticsearch Service deployments. {applies_to}`product: deprecated`
+  * `ess`: Applies to Elasticsearch Service deployments. {applies_to}`product: deprecated`
     :::{note}
     Use `ech` instead.
     :::

docs/_snippets/applies_to-lifecycle.md

@@ -2,7 +2,7 @@
 
 * `preview`
 * `beta`
+* `ga`
 * `deprecated`
 * `removed`
-* `unavailable`
-* `ga`
+* `unavailable`

docs/contribute/cumulative-docs/best-practices.md

@@ -40,7 +40,7 @@ Depending on what you're trying to communicate, you can use the following patter
 
 ### Headings
 
-Use [section annotations](/syntax/applies.md#section-annotations) immediately after a heading when the entire content between that heading and the next [heading](/syntax/headings.md) of the same and higher level.
+Use [section annotations](/syntax/applies.md#section-annotations) immediately after a heading when the entire content between that heading and the next [heading](/syntax/headings.md) of the same or higher level is version or product-specific.
 
 For example, in the [Semantic text field type](https://www.elastic.co/docs/reference/elasticsearch/mapping-reference/semantic-text#custom-by-pipelines) page, all the content in this section is only applicable to Elastic Stack versions 9.0.0 and later.