diff --git a/src/doc/rustdoc/src/unstable-features.md b/src/doc/rustdoc/src/unstable-features.md
index 16532215c6f33..8da1d22a4d172 100644
--- a/src/doc/rustdoc/src/unstable-features.md
+++ b/src/doc/rustdoc/src/unstable-features.md
@@ -398,6 +398,7 @@ undocumented item:
 ```rust
 /// This item has documentation
 pub fn foo() {}
+
 pub fn no_documentation() {}
 ```