Clarify what {request,response}-header-size mean

Jetty's config options are for the PROTOCOL header, not a single
Field: Value pair. So these options control the sum of all headers
and status lines.

Author: mikekap

ring-jetty-adapter/src/ring/adapter/jetty.clj

@@ -203,8 +203,10 @@
                             :need,:want or :none (defaults to :none)
   :send-date-header?      - add a date header to the response (default true)
   :output-buffer-size     - the response body buffer size (default 32768)
-  :request-header-size    - the maximum size of a request header (default 8192)
-  :response-header-size   - the maximum size of a response header (default 8192)
+  :request-header-size    - the maximum size of the request line and headers
+                            (i.e. the request protocol header) (default 8192)
+  :response-header-size   - the maximum size of the response line and headers
+                            (i.e. the response protocol header) (default 8192)
   :send-server-version?   - add Server header to HTTP response (default true)"
   [handler options]
   (let [server (create-server (dissoc options :configurator))]