doc: fix nits in http(s) server.headersTimeout

* Fix sort orders of sections and bottom references.
* Fix links.
* Unify spelling.
* Add missing YAML block.

PR-URL: https://github.com/nodejs/node/pull/24697
Reviewed-By: Gus Caplan <me@gus.host>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Anto Aravinth <anto.aravinth.cse@gmail.com>
Reviewed-By: Sam Roberts <vieuxtech@gmail.com>

doc/api/http.md

@@ -937,6 +937,26 @@ added: v0.1.90
 
 Stops the server from accepting new connections. See [`net.Server.close()`][].
 
+### server.headersTimeout
+<!-- YAML
+added: v11.3.0
+-->
+
+* {number} **Default:** `40000`
+
+Limit the amount of time the parser will wait to receive the complete HTTP
+headers.
+
+In case of inactivity, the rules defined in [`server.timeout`][] apply. However,
+that inactivity based timeout would still allow the connection to be kept open
+if the headers are being sent very slowly (by default, up to a byte per 2
+minutes). In order to prevent this, whenever header data arrives an additional
+check is made that more than `server.headersTimeout` milliseconds has not
+passed since the connection was established. If the check fails, a `'timeout'`
+event is emitted on the server object, and (by default) the socket is destroyed.
+See [`server.timeout`][] for more information on how timeout behavior can be
+customized.
+
 ### server.listen()
 
 Starts the HTTP server listening for connections.
@@ -958,26 +978,6 @@ added: v0.7.0
 
 Limits maximum incoming headers count. If set to 0, no limit will be applied.
 
-### server.headersTimeout
-<!-- YAML
-added: v11.3.0
--->
-
-* {number} **Default:** `40000`
-
-Limit the amount of time the parser will wait to receive the complete HTTP
-headers.
-
-In case of inactivity, the rules defined in [server.timeout][] apply. However,
-that inactivity based timeout would still allow the connection to be kept open
-if the headers are being sent very slowly (by default, up to a byte per 2
-minutes). In order to prevent this, whenever header data arrives an additional
-check is made that more than `server.headersTimeout` milliseconds has not
-passed since the connection was established. If the check fails, a `'timeout'`
-event is emitted on the server object, and (by default) the socket is destroyed.
-See [server.timeout][] for more information on how timeout behaviour can be
-customised.
-
 ### server.setTimeout([msecs][, callback])
 <!-- YAML
 added: v0.9.12

doc/api/https.md

@@ -32,6 +32,14 @@ added: v0.1.90
 
 See [`server.close()`][`http.close()`] from the HTTP module for details.
 
+### server.headersTimeout
+<!-- YAML
+added: v11.3.0
+-->
+- {number} **Default:** `40000`
+
+See [`http.Server#headersTimeout`][].
+
 ### server.listen()
 
 Starts the HTTPS server listening for encrypted connections.
@@ -44,12 +52,6 @@ This method is identical to [`server.listen()`][] from [`net.Server`][].
 
 See [`http.Server#maxHeadersCount`][].
 
-### server.headersTimeout
-
-- {number} **Default:** `40000`
-
-See [`http.Server#headersTimeout`][].
-
 ### server.setTimeout([msecs][, callback])
 <!-- YAML
 added: v0.11.2
@@ -367,9 +369,9 @@ headers: max-age=0; pin-sha256="WoiWRyIOVNa9ihaBciRSC7XHjliYS9VwUGOIud4PB18="; p
 [`Agent`]: #https_class_https_agent
 [`URL`]: url.html#url_the_whatwg_url_api
 [`http.Agent`]: http.html#http_class_http_agent
+[`http.Server#headersTimeout`]: http.html#http_server_headerstimeout
 [`http.Server#keepAliveTimeout`]: http.html#http_server_keepalivetimeout
 [`http.Server#maxHeadersCount`]: http.html#http_server_maxheaderscount
-[`http.Server#headersTimeout`]: http.html#http_server_headerstimeout
 [`http.Server#setTimeout()`]: http.html#http_server_settimeout_msecs_callback
 [`http.Server#timeout`]: http.html#http_server_timeout
 [`http.Server`]: http.html#http_class_http_server