What is `scroll` config means?

[yus-ham]

routify.dev/src/pages/docs/config/build.svelte

Lines 10 to 11 in ac8ded8

	["singleBuild", "boolean", "false", "Don't watch for file changes."],
	["scroll", "boolean", "false", "Don't watch for file changes."],

[jakobrosenberg]

As far as I know, that doesn't do anything. I think it's an error in the documentation.