diff --git a/docs/appendices/0.30.0-migration-guide.md b/docs/appendices/0.30.0-migration-guide.md
index 7a3b73d3f..3a3017727 100644
--- a/docs/appendices/0.30.0-migration-guide.md
+++ b/docs/appendices/0.30.0-migration-guide.md
@@ -1,5 +1,7 @@
 # 0.30.0 Migration Guide
 
+> **Important**: Due to the removal of `DOKKU_SCALE` support, users with a version older than 0.25.x are heavily encouraged to upgrade to 0.29.x prior to 0.30.x. Not doing so will result in all app containers stopping on rebuild due to having no scale settings.
+
 ## Deprecations
 
 - Support for Ubuntu 18.04 has been deprecated. Please upgrade your host OS in advance of the [End Of Life in April 2023](https://wiki.ubuntu.com/BionicBeaver/ReleaseNotes).