Update dbt-project-yml-context.md (#4109)

[Preview](https://docs-getdbt-com-git-dbeatty-context-dbt-project-dbt-labs.vercel.app/reference/dbt-jinja-functions/dbt-project-yml-context)

## What are you changing in this pull request and why?
This PR separates the context variables and methods.

## Checklist
- [x] Review the [Content style
guide](https://github.com/dbt-labs/docs.getdbt.com/blob/current/contributing/content-style-guide.md)
and [About
versioning](https://github.com/dbt-labs/docs.getdbt.com/blob/current/contributing/single-sourcing-content.md#adding-a-new-version)
so my content adheres to these guidelines.

website/docs/reference/dbt-jinja-functions/dbt-project-yml-context.md

@@ -1,22 +1,23 @@
 ---
-title: " About dbt_project.yml context variables"
+title: " About dbt_project.yml context"
 sidebar_label: "dbt_project.yml context"
 id: "dbt-project-yml-context"
-description: "The context variables and methods are available when configuring resources in the dbt_project.yml file."
+description: "The context methods and variables available when configuring resources in the dbt_project.yml file."
 ---
 
-The following context variables and methods are available when configuring
+The following context methods and variables are available when configuring
 resources in the `dbt_project.yml` file. This applies to the `models:`, `seeds:`,
 and `snapshots:` keys in the `dbt_project.yml` file.
 
+**Available context methods:**
+- [env_var](/reference/dbt-jinja-functions/env_var)
+- [var](/reference/dbt-jinja-functions/var) (_Note: only variables defined with `--vars` are available_)
+
 **Available context variables:**
 - [target](/reference/dbt-jinja-functions/target)
-- [env_var](/reference/dbt-jinja-functions/env_var)
-- [vars](/reference/dbt-jinja-functions/var) (_Note: only variables defined with `--vars` are available_)
 - [builtins](/reference/dbt-jinja-functions/builtins)
 - [dbt_version](/reference/dbt-jinja-functions/dbt_version)
 
-
 ### Example configuration
 
 <File name='dbt_project.yml'>