tweak 'known issues' wording

diff --git a/src/libcore/num/dec2flt/mod.rs b/src/libcore/num/dec2flt/mod.rs
index 64ac69946d10d60c1fc35abad27e39695ca73367..759c2e8c953e04e901eccb19aef03f272dc8e476 100644 (file)
--- a/src/libcore/num/dec2flt/mod.rs
+++ b/src/libcore/num/dec2flt/mod.rs
@@ -146,8 +146,8 @@ impl FromStr for $t {
             ///
             /// # Known bugs
             ///
-            /// * [#31407]: Some strings that adhere to the regular expression
-            ///   above will incorrectly return an [`Err`].
+            /// In some situations, some strings that should create a valid float
+            /// instead return an error. See [issue #31407] for details.
             ///
             /// [#31407]: https://github.com/rust-lang/rust/issues/31407
             ///