Update README for 2 weeks past migration (#208)

Author: jbarry-bdai

README.md

@@ -1,24 +1,5 @@
 # Repository Migration Notice
 
-> [!IMPORTANT]
-> This repository has moved to the **RAI-Opensource** GitHub organization!
->
-> Current status: **Migrated**.
->
-> - Migration target org: <https://github.com/RAI-Opensource>
-> - Previous target org: <https://github.com/bdaiinstitute>
->
-> What to do now:
->
-> - Update your git remote:
->
->   ```bash
->   git remote set-url origin https://github.com/RAI-Opensource/synchros2
->   ```
->
-> - If you maintain downstream docs/scripts, update links from this repository to the new org.
->
-
 # `synchros2`
 
 ![Python Support](https://img.shields.io/badge/python-3.8%20%7C%203.9%20%7C%203.10%20%7C%203.11%20%7C%203.12-blue)
@@ -41,3 +22,12 @@ This repository contains the following packages:
 ## Next steps
 
 See [contribution guidelines](CONTRIBUTING.md)!
+
+## Migration Notice
+
+On April 28, 2026 this repository moved to the **RAI-Opensource** GitHub organization.  If you are still pulling from the previous bdaiinstitute GitHub organization, please update your git remote:
+   ```bash
+   git remote set-url origin https://github.com/RAI-Opensource/synchros2
+   ```
+
+If you maintain downstream docs/scripts, update links from this repository to the new org.