diff --git a/architecture.md b/architecture.md
index d9fcac4..160fd88 100644
--- a/architecture.md
+++ b/architecture.md
@@ -133,11 +133,11 @@ To reach our goals, we aim to implement the following interactions between [acto
 
 The process of migrating one's applications to a different host encompasses:
 
-1. domain registration: involves a (manual) update of DNS records at the registrar
-1. deployed applications: using the reproducible configuration module
-1. application data:
-    - back-up/restore scripts [using SelfHostBlocks](https://shb.skarabox.com/contracts.html)
-    - application-specific migration scripts, to e.g. reconfigure of connections/URLs
+1. Domain registration: involves a (manual) update of DNS records at the registrar
+1. Deploy applications: using the reproducible configuration module
+1. Copy application data:
+    - Run back-up/restore scripts
+    - Run application-specific migration scripts, to e.g. reconfigure connections/URLs
 
 ### Data model