README.rdoc in cap-rightscale-0.6.1 vs README.rdoc in cap-rightscale-0.6.2

@@ -149,9 +149,25 @@
     set :rs_domain, "ec2.int.com"   # set subdomain managed by your dns server zone(option: default ref <tt>search</tt> in <tt>/etc/resolv.conf</tt>)
 
     # set domain each role(priority over <tt>set :rs_domain</tt>)
     nickname :web, :nickname => "lb", :domain => "ec2.com"
 
+
+Instance nickname in Server Array is <tt><ServerArray name> #number</tt>
+
+    # ServerArray name: prod-web
+    prod-web #1   # <= instance nickname
+
+cap-rightscale replace instance nickname in Server Array to update dns hostname for your dns server. Default format is "%d"(example: web #1 => web1).
+
+
+Use <tt>rs_array_number_format</tt> to replace nickname format:
+
+    # config/deploy.rb
+    rs_array_number_format "%03d"   # web #1 => web001
+    rs_array_number_format "-%d"    # web #1 => web-1
+
+
 === Validate
 
 Using ping and name resolv, validate host(except invalid host).
 
 * <tt>rs_enable :validate_echo</tt>: In case you want to except hang-up instance