README.md in chef-sugar-2.0.0 vs README.md in chef-sugar-2.1.0

@@ -271,10 +271,12 @@
 - `linux_mint?`
 - `oracle_linux?`
 - `redhat_enterprise_linux?`
 - `scientific_linux?`
 - `ubuntu?`
+- `solaris2?`
+- `aix?`
 
 There are also a series of dynamically defined matchers that map named operating system release versions and comparison operators in the form "#{platform}\_#{operator}\_#{name}?". For example:
 
 - `debian_after_squeeze?`
 - `linuxmint_after_or_at_olivia?`
@@ -369,9 +371,20 @@
 
 #### Examples
 ```ruby
 http_request 'http://...' do
   not_if { vagrant? }
+end
+```
+
+### Virtualization
+- `lxc?`
+
+#### Examples
+```ruby
+service 'ntpd' do
+  action [:enable, :start]
+  not_if { lxc? }
 end
 ```
 
 ### Filters
 - `compile_time` - accepts a block of resources to run at compile time