fix plurality

lib/fog/rackspace/requests/servers/list_servers_detail.rb

@@ -21,7 +21,7 @@ unless Fog.mocking?
         #       * 'public'<~Array> - public address strings
         #       * 'private'<~Array> - private address strings
         #     * 'metadata'<~Hash> - metadata
-        def list_servers_details
+        def list_servers_detail
           request(
             :expects  => [200, 203],
             :method   => 'GET',

lib/fog/rackspace/servers.rb

@@ -14,7 +14,7 @@ module Fog
         load "fog/rackspace/requests/servers/list_flavors.rb"
         load "fog/rackspace/requests/servers/list_images.rb"
         load "fog/rackspace/requests/servers/list_servers.rb"
-        load "fog/rackspace/requests/servers/list_servers_details.rb"
+        load "fog/rackspace/requests/servers/list_servers_detail.rb"
         load "fog/rackspace/requests/servers/reboot_server.rb"
         load "fog/rackspace/requests/servers/update_server.rb"
       end

spec/rackspace/requests/servers/list_servers_detail_spec.rb

@@ -1,11 +1,11 @@
 require File.dirname(__FILE__) + '/../../../spec_helper'
 
-describe 'Rackspace::Servers.list_servers_details' do
+describe 'Rackspace::Servers.list_servers_detail' do
   describe 'success' do
 
     it "should return proper attributes" do
       pending
-      p servers.list_servers_details
+      p servers.list_servers_detail
     end
 
   end