Update react-19-upgrade-guide.md

Author: sophiebits

src/content/blog/2024/04/25/react-19-upgrade-guide.md

@@ -735,7 +735,7 @@ const reducer = (state: State, action: Action) => state;
 
 ### Other breaking changes {/*other-breaking-changes*/}
 
-- **react-dom**: Error for javascript URLs in src/href [#26507](https://github.com/facebook/react/pull/26507)
+- **react-dom**: Error for javascript URLs in `src` and `href` [#26507](https://github.com/facebook/react/pull/26507)
 - **react-dom**: Remove `errorInfo.digest` from `onRecoverableError` [#28222](https://github.com/facebook/react/pull/28222)
 - **react-dom**: Remove `unstable_flushControlled` [#26397](https://github.com/facebook/react/pull/26397)
 - **react-dom**: Remove `unstable_createEventHandle` [#28271](https://github.com/facebook/react/pull/28271)