doc: use .md extension for internal links

This helps catch broken links as part of the test suite. This also
improves the user experience when browsing the markdown files.

PR-URL: https://github.com/nodejs/node/pull/35191
Fixes: https://github.com/nodejs/node/issues/35189
Reviewed-By: Derek Lewis <DerekNonGeneric@inf.is>
Reviewed-By: Jiawen Geng <technicalcute@gmail.com>
Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>
Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>

1 files changed, 21 insertions, 21 deletions

diff --git a/doc/api/https.md b/doc/api/https.md
index 40dcf4b1d7f..b7f2f2b1e1f 100644
--- a/doc/api/https.md
+++ b/doc/api/https.md
@@ -454,27 +454,27 @@ 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.Agent(options)`]: http.html#http_new_agent_options
-[`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#requestTimeout`]: http.html#http_server_requesttimeout
-[`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
-[`http.close()`]: http.html#http_server_close_callback
-[`http.createServer()`]: http.html#http_http_createserver_options_requestlistener
-[`http.get()`]: http.html#http_http_get_options_callback
-[`http.request()`]: http.html#http_http_request_options_callback
+[`URL`]: url.md#url_the_whatwg_url_api
+[`http.Agent`]: http.md#http_class_http_agent
+[`http.Agent(options)`]: http.md#http_new_agent_options
+[`http.Server#headersTimeout`]: http.md#http_server_headerstimeout
+[`http.Server#keepAliveTimeout`]: http.md#http_server_keepalivetimeout
+[`http.Server#maxHeadersCount`]: http.md#http_server_maxheaderscount
+[`http.Server#requestTimeout`]: http.md#http_server_requesttimeout
+[`http.Server#setTimeout()`]: http.md#http_server_settimeout_msecs_callback
+[`http.Server#timeout`]: http.md#http_server_timeout
+[`http.Server`]: http.md#http_class_http_server
+[`http.close()`]: http.md#http_server_close_callback
+[`http.createServer()`]: http.md#http_http_createserver_options_requestlistener
+[`http.get()`]: http.md#http_http_get_options_callback
+[`http.request()`]: http.md#http_http_request_options_callback
 [`https.Agent`]: #https_class_https_agent
 [`https.request()`]: #https_https_request_options_callback
-[`net.Server`]: net.html#net_class_net_server
-[`new URL()`]: url.html#url_new_url_input_base
-[`server.listen()`]: net.html#net_server_listen
-[`tls.connect()`]: tls.html#tls_tls_connect_options_callback
-[`tls.createSecureContext()`]: tls.html#tls_tls_createsecurecontext_options
-[`tls.createServer()`]: tls.html#tls_tls_createserver_options_secureconnectionlistener
-[`Session Resumption`]: tls.html#tls_session_resumption
+[`net.Server`]: net.md#net_class_net_server
+[`new URL()`]: url.md#url_new_url_input_base
+[`server.listen()`]: net.md#net_server_listen
+[`tls.connect()`]: tls.md#tls_tls_connect_options_callback
+[`tls.createSecureContext()`]: tls.md#tls_tls_createsecurecontext_options
+[`tls.createServer()`]: tls.md#tls_tls_createserver_options_secureconnectionlistener
+[`Session Resumption`]: tls.md#tls_session_resumption
 [sni wiki]: https://en.wikipedia.org/wiki/Server_Name_Indication