docs/Clustering.textile in amqp-0.8.0.rc12 vs docs/Clustering.textile in amqp-0.8.0.rc13

@@ -1,13 +1,17 @@
+# @title Ruby AMQP gem: Clustering
+
 h1. Clustering
 
 
 h2. About this guide
 
 This guide covers clustered AMQP broker setups, with RabbitMQ as example.
 
 
 h2. Covered versions
+
+This guide covers "Ruby amqp gem":http://github.com/ruby-amqp/amqp v0.9.0 and later.
 
 TBD
 
 
 h2. Clustering