Fixed a typo in README.md

README.md

@@ -120,7 +120,7 @@ define read-only, dynamic configuration attributes
   * In Ruby 1.9 and above, this is automatic.
   * In Rubies earlier than 1.9, Confstruct will try to require and use ActiveSupport::OrderedHash, 
     falling back to a regular Hash if necessary. The class/instance method `ordered?` can be used 
-    to determine if the hash ordered or not.
+    to determine if the hash is ordered or not.
 * In order to support struct access, all hash keys are converted to symbols, and are accessible
   both as strings and symbols (like a `HashWithIndifferentAccess`). In other words, config['foo'] 
   and config[:foo] refer to the same value.