diff --git a/library/std/src/keyword_docs.rs b/library/std/src/keyword_docs.rs
index 52a02e998b4ee..4f4b06fc47de6 100644
--- a/library/std/src/keyword_docs.rs
+++ b/library/std/src/keyword_docs.rs
@@ -2199,7 +2199,7 @@ mod use_keyword {}
 /// pub enum Cow<'a, B>
 /// where
 ///     B: 'a + ToOwned + ?Sized,
-///  {
+/// {
 ///     Borrowed(&'a B),
 ///     Owned(<B as ToOwned>::Owned),
 /// }