Update docs/deploy-and-review-process.md

Co-authored-by: Corwin Smith <cssmittys@gmail.com>

Author: minimalsm

docs/deploy-and-review-process.md

@@ -4,7 +4,7 @@ This documentation outlines our current processes for how we deploy the latest c
 
 ## Deploy process
 
-Anything merged into the `dev` branch of [ethereum.org](http://ethereum.org) will go live on ethereum.org at the next release. Currently, we deploy the latest changes to [ethereum.org](http://ethereum.org) twice per week.
+Anything merged into the `dev` branch of [ethereum.org](http://ethereum.org) will go live on ethereum.org at the next release. Currently, we deploy the latest changes to [ethereum.org](http://ethereum.org) twice per week. When deploying, we merge the `dev` branch into the `master` branch. The `master` branch is the latest live version of [ethereum.org](https://ethereum.org).
 
 These are currently: