Fixing syntax (#6627)

## What are you changing in this pull request and why?

Closes #5394

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https://docs-getdbt-com-git-indirect-dbt-labs.vercel.app/reference/global-configs/indirect-selection

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website/docs/reference/global-configs/indirect-selection.md

@@ -6,7 +6,7 @@ sidebar: "Indirect selection"
 
 import IndirSelect from '/snippets/_indirect-selection-definitions.md';
 
-Use the `--indirect_selection` flag to `dbt test` or `dbt build` to configure which tests to run for the nodes you specify. You can set this as a CLI flag or an environment variable. In dbt Core, you can also configure user configurations in [YAML selectors](/reference/node-selection/yaml-selectors) or in the `flags:` block of `dbt_project.yml`, which sets project-level flags.
+Use the `--indirect-selection` flag to `dbt test` or `dbt build` to configure which tests to run for the nodes you specify. You can set this as a CLI flag or an environment variable. In dbt Core, you can also configure user configurations in [YAML selectors](/reference/node-selection/yaml-selectors) or in the `flags:` block of `dbt_project.yml`, which sets project-level flags.
 
 When all flags are set, the order of precedence is as follows. Refer to [About global configs](/reference/global-configs/about-global-configs) for more details: