diff --git a/compiler/rustc_transmute/src/maybe_transmutable/mod.rs b/compiler/rustc_transmute/src/maybe_transmutable/mod.rs
index ae193ef99e6..6484a2968ff 100644
--- a/compiler/rustc_transmute/src/maybe_transmutable/mod.rs
+++ b/compiler/rustc_transmute/src/maybe_transmutable/mod.rs
@@ -147,9 +147,7 @@ impl<C> MaybeTransmutableQuery<Dfa<<C as QueryContext>::Ref>, C>
 where
     C: QueryContext,
 {
-    /// Answers whether a `Nfa` is transmutable into another `Nfa`.
-    ///
-    /// This method converts `src` and `dst` to DFAs, then computes an answer using those DFAs.
+    /// Answers whether a `Dfa` is transmutable into another `Dfa`.
     pub(crate) fn answer(self) -> Answer<<C as QueryContext>::Ref> {
         MaybeTransmutableQuery {
             src: &self.src,