Fix changelog message for previous commit

Author: dralley

Changelog.md

@@ -19,12 +19,9 @@
 
 ### 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
+[#618]: https://github.com/tafia/quick-xml/pull/618
 [#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