diff --git a/src/libcore/num/mod.rs b/src/libcore/num/mod.rs
index 1f20fae2f45c..9b83445e6bec 100644
--- a/src/libcore/num/mod.rs
+++ b/src/libcore/num/mod.rs
@@ -1222,7 +1222,7 @@ pub enum FpCategory {
 //
 // FIXME(#8888): Several of these functions have a parameter named
 //               `unused_self`. Removing it requires #8888 to be fixed.
-#[unstable = "recently settled as part of numerics reform"]
+#[unstable = "distribution of methods between core/std is unclear"]
 pub trait Float
     : Copy + Clone
     + NumCast