--- a/content/eip545b.rst	Wed Dec 20 23:33:53 2017 +0100
+++ b/content/eip545b.rst	Sat Jan 20 15:40:38 2018 +0100
@@ -5,6 +5,8 @@
 :author: David Douard
 :Category: Electronics
 :Tags: test equipment, RF, EIP, 545B, counter
+:series: EIP545B Frequency Counter
+:series_index: 1
 
 
 I recently purchased a broken EIP 545B microwave frequency counter on ebay. It