diff --git a/docs/ch14-clustering.rst b/docs/ch13-clustering.rst
similarity index 100%
rename from docs/ch14-clustering.rst
rename to docs/ch13-clustering.rst
diff --git a/docs/ch13-ipv6.rst b/docs/ch13-ipv6.rst
deleted file mode 100644
index 7d5ce6a2..00000000
--- a/docs/ch13-ipv6.rst
+++ /dev/null
@@ -1,4 +0,0 @@
-IPv6
-====
-
-Need to import content from https://wiki.vyos.net/wiki/IPv6
diff --git a/docs/ch15-image-mgmt.rst b/docs/ch14-image-mgmt.rst
similarity index 100%
rename from docs/ch15-image-mgmt.rst
rename to docs/ch14-image-mgmt.rst
diff --git a/docs/ch16-troubleshooting.rst b/docs/ch15-troubleshooting.rst
similarity index 100%
rename from docs/ch16-troubleshooting.rst
rename to docs/ch15-troubleshooting.rst
diff --git a/docs/index.rst b/docs/index.rst
index 8fd6d15d..79c71c6f 100644
--- a/docs/index.rst
+++ b/docs/index.rst
@@ -43,13 +43,11 @@ as a router and firewall platform for cloud deployments.
 
 .. include:: ch12-system.rst
 
-.. include:: ch13-ipv6.rst
+.. include:: ch13-clustering.rst
 
-.. include:: ch14-clustering.rst
+.. include:: ch14-image-mgmt.rst
 
-.. include:: ch15-image-mgmt.rst
-
-.. include:: ch16-troubleshooting.rst
+.. include:: ch15-troubleshooting.rst
 
 Indices and tables
 ==================