Add missing backtick in ty_error_with_message

Author: JohnTitor

src/librustc_middle/ty/context.rs

@@ -1169,7 +1169,7 @@ impl<'tcx> TyCtxt<'tcx> {
         self.ty_error_with_message(DUMMY_SP, "TyKind::Error constructed but no error reported")
     }
 
-    /// Constructs a `TyKind::Error` type and registers a `delay_span_bug` with the given `msg to
+    /// Constructs a `TyKind::Error` type and registers a `delay_span_bug` with the given `msg` to
     /// ensure it gets used.
     #[track_caller]
     pub fn ty_error_with_message<S: Into<MultiSpan>>(self, span: S, msg: &str) -> Ty<'tcx> {