remove wording problem

Author: krishahn

versions/3.0.md

@@ -2313,7 +2313,7 @@ schema:
 #### <a name="tagObject"></a>Tag Object
 
 Adds metadata to a single tag that is used by the [Operation Object](#operationObject).
-It is not mandatory to have a Tag Object per tag used defined in the Operation Object instances.
+It is not mandatory to have a Tag Object per tag defined in the Operation Object instances.
 
 ##### Fixed Fields
 Field Name | Type | Description