Fix changelog message for previous commit

Author: dralley

Changelog.md

@@ -28,14 +28,14 @@
 
 ### Bug Fixes
 
-- [#604]: Avoid crashing on wrong comments like `<!-->` when using `read_event_into*` functions.
+- [#618]: Avoid crashing on wrong comments like `<!-->` when using `read_event_into*` functions.
 
 ### Misc Changes
 
-[#604]: https://github.com/tafia/quick-xml/issue/604
 [#609]: https://github.com/tafia/quick-xml/pull/609
 [#615]: https://github.com/tafia/quick-xml/pull/615
 [#617]: https://github.com/tafia/quick-xml/pull/617
+[#618]: https://github.com/tafia/quick-xml/pull/618
 
 
 ## 0.29.0 -- 2023-06-13