diff --git a/usrguide/apiguide/README.adoc b/usrguide/apiguide/README.adoc
index 0ccb931b624f9206e18a4556fd39950228e545c1..4a9454f4a040c6f809f4c5e00551d7577d1e9858 100644
--- a/usrguide/apiguide/README.adoc
+++ b/usrguide/apiguide/README.adoc
@@ -12,6 +12,7 @@ Date: 2018-06-18
 :sectnums:
 :doctype: book
 :toc:
+:toclevels: 3
 
 ifdef::env-github,backend-html5[]
 image::images/titan_logo.png[alt]
@@ -32,7 +33,6 @@ https://www.eclipse.org/org/documents/epl-2.0/EPL-2.0.html.
 
 The contents of this document are subject to revision without notice due to continued progress in methodology, design and manufacturing. Ericsson shall have no liability for any error or damage of any kind resulting from the use of this document.
 
-*Contents*
 
 ifdef::env-github,backend-html5[]
 * link:1-introduction.adoc[Introduction]