diff --git a/library/core/src/ops/range.rs b/library/core/src/ops/range.rs
index ba5e6ddc752..cc596293ca3 100644
--- a/library/core/src/ops/range.rs
+++ b/library/core/src/ops/range.rs
@@ -11,7 +11,7 @@ use crate::hash::Hash;
 /// The `..` syntax is a `RangeFull`:
 ///
 /// ```
-/// assert_eq!((..), std::ops::RangeFull);
+/// assert_eq!(.., std::ops::RangeFull);
 /// ```
 ///
 /// It does not have an [`IntoIterator`] implementation, so you can't use it in