Update readme.md

Author: phuo-nv

notebooks/readme.md

@@ -48,10 +48,10 @@ This notebook introduces dynamic portfolio management techniques:
 
 #### [`launchable.ipynb`](launchable.ipynb) - Combined Notebook for Brev Launchable
 
-This notebook combines `cvar_basic.ipynb`, `efficient_frontier.ipynb`, and `rebalancing_strategies.ipynb` into a single file. It is specifically designed for [Brev](https://brev.dev/) launchable environments, providing all portfolio optimization examples and workflows in one place for easy execution in cloud GPU environments.
+This notebook combines `cvar_basic.ipynb`, `efficient_frontier.ipynb`, and `rebalancing_strategies.ipynb` into a single file. It is specifically designed for cloud environments such as on [Brev](https://brev.dev/), providing all portfolio optimization examples and workflows in one place for easy execution in cloud GPU environments.
 
 **Use this notebook if:**
-- You're running on a Brev launchable instance
+- You're running on a Brev cloud instance
 - You prefer having all examples in a single notebook
 - You want to run the complete workflow without switching between files