new line

src/doc/rustdoc/src/unstable-features.md

@@ -658,4 +658,3 @@ mod tests {
 Note:
 * `--cfg test` must be set because tests are guarded by #[cfg(test)].
 * `--document-private-items` is typically required because it is standard practice to keep test items private. By enabling this option, you ensure that private items, including tests, are documented as needed while maintaining their non-public status.
-