added a bit to the readme

README.rdoc

@@ -1,8 +1,24 @@
 = DESCRIPTION:
 
+This cookbook is used to manage entries in etc/hosts and ssh/known_hosts for nodes known by Chef.
+
 = REQUIREMENTS:
 
-= ATTRIBUTES:
+Tested on Ubuntu and Mac OSX
+
+= LICENSE & AUTHOR:
+
+Author:: Rob Lewis (<[email protected]>)
+Copyright:: 2011, Rob Lewis
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
 
-= USAGE:
+    http://www.apache.org/licenses/LICENSE-2.0
 
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.