update readme

examples/cloud/modal/README.md

@@ -1,8 +1,9 @@
 # Running marimo on Modal
 
-This folder contains examples of how to use run marimo notebooks on Modal,
+This folder contains examples of how to use run marimo notebooks on [Modal](https://modal.com/),
 making it easy to get access to cloud GPUs. To get started, first create
-a modal account and follow their onboarding.
+a modal account and follow their onboarding. You'll also need to install the [uv
+package manager](https://docs.astral.sh/uv/).
 
 ## Editable notebooks
 [modal_edit.py](modal_edit.py) has an example of how to spin up an editable
@@ -20,6 +21,6 @@ You can configure your GPU selection by editing `modal_edit`.
 notebook as an app on Modal. Run with
 
 ```bash
-uvx -p 3.12 modan run modal_run.py
+uvx -p 3.12 modal run modal_run.py
 ```