diff --git a/source/sync/device-sync-deprecation.txt b/source/sync/device-sync-deprecation.txt
index 4fea1beff..36b2e98af 100644
--- a/source/sync/device-sync-deprecation.txt
+++ b/source/sync/device-sync-deprecation.txt
@@ -32,6 +32,7 @@ Ditto
 
 Ditto is a real-time edge sync platform for mobile, web, IoT, and server apps.
 
+- `Ditto Reference Architecture Guide <https://cdn.bfldr.com/2URK6TO/as/4ngjrpbb4m8zn3bv6rcx9hkq/Edge_EOL_ref_arch_guide_-_Ditto>`__
 - `Atlas Device Sync to Ditto migration guide <https://docs.ditto.live/support/mongodb-migrationguide>`__
 - `MongoDB Partner Page <https://cloud.mongodb.com/ecosystem/ditto>`__
 - `Ditto documentation <https://ditto.live/>`__
@@ -68,8 +69,10 @@ HiveMQ
 HiveMQ is an MQTT-based messaging platform that ensures fast, reliable, and
 secure data movement to and from connected IoT devices.
 
-Refer to the `HiveMQ documentation <https://www.hivemq.com/products/hivemq-edge/>`__
-to learn more.
+For more information on migration, refer to the following:
+
+- `HiveMQ Reference Architecture Guide <https://cdn.bfldr.com/2URK6TO/as/4s439tj8p7gx94ft7nqfr/Edge_EOL_ref_arch_guide_-_HiveMQ>`__
+- `HiveMQ documentation <https://www.hivemq.com/products/hivemq-edge/>`__
 
 Ably
 ~~~~