Add a missing s in the ensure_packages hash example

Author: rjw1

README.markdown

@@ -360,7 +360,7 @@ For Array:
 
 For Hash:
 
-    ensure_packages({'ksh' => { enure => '20120801-1' } ,  'mypackage' => { source => '/tmp/myrpm-1.0.0.x86_64.rpm', provider => "rpm" }}, {'ensure' => 'present'})
+    ensure_packages({'ksh' => { ensure => '20120801-1' } ,  'mypackage' => { source => '/tmp/myrpm-1.0.0.x86_64.rpm', provider => "rpm" }}, {'ensure' => 'present'})
 
 #### `ensure_resource`