Merge pull request #517 from YouSafe/patch-1

Update command in chapter 8

src/_tutorial/chapter_8.rs

@@ -1,7 +1,7 @@
 //! # Chapter 8: Debugging
 //!
 //! When things inevitably go wrong, you can introspect the parsing state by running your test case
-//! with `--features debug`:
+//! with `--features winnow/debug`:
 //! ![Trace output from string example](https://raw.githubusercontent.com/winnow-rs/winnow/main/assets/trace.svg "Example output")
 //!
 //! You can extend your own parsers to show up by wrapping their body with