diff --git a/doc/manuals/osmotrx-usermanual.adoc b/doc/manuals/osmotrx-usermanual.adoc
index 7d04f78..a713e4a 100644
--- a/doc/manuals/osmotrx-usermanual.adoc
+++ b/doc/manuals/osmotrx-usermanual.adoc
@@ -25,6 +25,8 @@
 
 include::chapters/trx-architectures.adoc[]
 
+include::chapters/trx-devices.adoc[]
+
 include::chapters/trx-backends.adoc[]
 
 include::../common/chapters/trx_if.adoc[]
