--- a/content/10MHz_ref.rst	Sat Mar 19 00:50:44 2016 +0100
+++ b/content/10MHz_ref.rst	Sat Mar 19 00:53:20 2016 +0100
@@ -3,10 +3,10 @@
 ==========================================
 
 :author: David Douard
-:date: 2016-02-21
 :Category: Electronics
 :Tags: test equipment, 10MHz, Rubidium
 :series: 10MHz Bench Reference Standard
+:series_index: 1
 
 Many electronics test equipment need an accurate time base. Most
 often, it's build on a 10MHz base.