docs(config): fix spelling mistake (#6578)

docs/config/index.md

@@ -2468,7 +2468,7 @@ Environment variables available on `process.env` and `import.meta.env` during te
 The same as calling [`expect.hasAssertions()`](/api/expect#expect-hasassertions) at the start of every test. This makes sure that no test will pass accidentally.
 
 ::: tip
-This only works with Vitest's `expect`. If you use `assert` ot `.should` assertions, they will not count, and your test will fail due to the lack of expect assertions.
+This only works with Vitest's `expect`. If you use `assert` or `.should` assertions, they will not count, and your test will fail due to the lack of expect assertions.
 
 You can change the value of this by calling `vi.setConfig({ expect: { requireAssertions: false } })`. The config will be applied to every subsequent `expect` call until the `vi.resetConfig` is called manually.
 :::