Fix formatting of reference to HeaderDocumentation in the docs
Closes
@@ -859,7 +859,7 @@ include::{examples-dir}/com/example/mockmvc/HttpHeaders.java[tags=headers]
Uses the static `requestHeaders` method on
`org.springframework.restdocs.headers.HeaderDocumentation`.
<3> Document the `Authorization` header. Uses the static `headerWithName` method on
- `org.springframework.restdocs.headers.HeaderDocumentation.
+ `org.springframework.restdocs.headers.HeaderDocumentation`.
<4> Produce a snippet describing the response's headers. Uses the static `responseHeaders`
method on `org.springframework.restdocs.headers.HeaderDocumentation`.
