diff --git a/doc/manuals/osmogbproxy-usermanual.adoc b/doc/manuals/osmogbproxy-usermanual.adoc
index c371cf7..2a1b873 100644
--- a/doc/manuals/osmogbproxy-usermanual.adoc
+++ b/doc/manuals/osmogbproxy-usermanual.adoc
@@ -29,6 +29,7 @@
 
 include::./common/chapters/gb-ns2-configuration-timer.adoc[]
 
+include::./common/chapters/gb-ns2-maintenance.adoc[]
 
 include::./common/chapters/control_if.adoc[]