diff --git a/library/std/src/thread/mod.rs b/library/std/src/thread/mod.rs
index f141546b6460..53aa10c592e3 100644
--- a/library/std/src/thread/mod.rs
+++ b/library/std/src/thread/mod.rs
@@ -257,7 +257,7 @@ pub const fn require_unstable_const_init_thread_local() {}
 /// [`unwrap`]: crate::result::Result::unwrap
 /// [naming-threads]: ./index.html#naming-threads
 /// [stack-size]: ./index.html#stack-size
-#[must_use = "must eventually call `spawn()` on Thread builders"]
+#[must_use = "must eventually spawn the thread"]
 #[stable(feature = "rust1", since = "1.0.0")]
 #[derive(Debug)]
 pub struct Builder {