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-rw-r--r--library/core/src/time.rs4
1 files changed, 2 insertions, 2 deletions
diff --git a/library/core/src/time.rs b/library/core/src/time.rs
index d66f558078e..33d27b219f3 100644
--- a/library/core/src/time.rs
+++ b/library/core/src/time.rs
@@ -625,8 +625,8 @@ impl Duration {
     /// assert_eq!(Duration::new(100, 0).abs_diff(Duration::new(80, 0)), Duration::new(20, 0));
     /// assert_eq!(Duration::new(100, 400_000_000).abs_diff(Duration::new(110, 0)), Duration::new(9, 600_000_000));
     /// ```
-    #[stable(feature = "duration_abs_diff", since = "CURRENT_RUSTC_VERSION")]
-    #[rustc_const_stable(feature = "duration_abs_diff", since = "CURRENT_RUSTC_VERSION")]
+    #[stable(feature = "duration_abs_diff", since = "1.81.0")]
+    #[rustc_const_stable(feature = "duration_abs_diff", since = "1.81.0")]
     #[rustc_allow_const_fn_unstable(const_option)]
     #[must_use = "this returns the result of the operation, \
                   without modifying the original"]