Merge pull request OAI#1188 from krishahn/header-object

edit Header Object

Author: Ron

versions/3.0.md

@@ -2283,15 +2283,15 @@ using JSON references.
 
 #### <a name="headerObject"></a>Header Object
 
-The Header Object follows the structure of the [Parameter Object](#parameterObject), with the following changes:
+The Header Object follows the structure of the [Parameter Object](#parameterObject) with the following changes:
 
 1. `name` MUST NOT be specified, it is given in the corresponding `headers` map.
 1. `in` MUST NOT be specified, it is implicitly in `header`.
 1. All traits that are affected by the ___location MUST be applicable to a ___location of `header` (for example, [`style`](#parameterStyle)).
 
 ##### Header Object Example
 
-A simple header with of an integer type:
+A simple header of type `integer`:
 
 ```json
 {