Wording consistency (review feedback)

Co-authored-by: Ralf Handl <[email protected]>

Author: handrews

versions/3.0.4.md

@@ -2232,7 +2232,7 @@ Expressions can be embedded into string values by surrounding the expression wit
 
 #### <a name="headerObject"></a>Header Object
 
-The Header Object is used to describe headers for [HTTP responses](#responseHeaders) and for [individual parts in `multipart` representations](#encodingHeaders); see the relevant [Header Object](#headerObject) and [Encoding Object](#encodingObject) documentation for restrictions on which headers can be described.
+Describes a single header for [HTTP responses](#responseHeaders) and for [individual parts in `multipart` representations](#encodingHeaders); see the relevant [Response Object](#responseObject) and [Encoding Object](#encodingObject) documentation for restrictions on which headers can be described.
 
 The Header Object follows the structure of the [Parameter Object](#parameterObject), including determining its serialization strategy based on whether `schema` or `content` is present,  with the following changes: