Manuscript Error: Typo in word marginalize

# Description
Marginalize should be marginalizing

**Reference**
![image](https://user-images.githubusercontent.com/7213793/209456695-388b57a1-3973-492d-99b0-0452b24f8e23.png)


 

## Author Section
Do not close until

- [ ] Added to Errata
- [ ] Fixed in Open Access
- [ ] Fixed in latex source