Update README.md

Author: Ben-Epstein

README.md

@@ -1,7 +1,7 @@
 # prefect-modal
 A simple example of configuring prefect workflows on modal serverless compute
 
-See the [accompanying guide](https://smiling-galliform-8d3.notion.site/Prefect-on-Modal-1912909a140e80d29ac7dd72558f3f3c?pvs=74)
+See the [official docs](https://docs.prefect.io/v3/tutorials/modal)
 
 Install uv to get started: https://docs.astral.sh/uv/getting-started/installation/