Update /stop documentation

v2:-Documentation.md

@@ -14,6 +14,7 @@ Features which are available in Caddy Enterprise are indicated with    🏢
 	- [environ](#environ)
 - [Admin endpoint](#admin-endpoint)
 	- [POST /load](#post-load)
+	- [POST /stop](#post-stop)
 	- [GET /config/[scope]](#get-configscope)
 	- [POST /config/[scope]](#post-configscope)
 	- [PUT /config/[scope]](#put-configscope)
@@ -102,7 +103,7 @@ Same as `start`, but blocks indefinitely; i.e. runs Caddy in "daemon" mode. On W
 $ caddy stop
 ```
 
-Gracefully stops the running Caddy process. (Note: this will stop any process named the same as the executable file.) On Windows, this stop is forceful and Caddy will not have an opportunity to do a graceful shutdown and clean up any active locks. A graceful shutdown can be performed by POSTing to /stop endpoint [soon to be implemented](https://github.com/caddyserver/caddy/pull/2671).
+Gracefully stops the running Caddy process. (Note: this will stop any process named the same as the executable.) On Windows, this stop is forceful and Caddy will not have an opportunity to clean up any active locks; for a graceful shutdown on Windows, use Ctrl+C or the [/stop endpoint](#post-stop).
 
 ## reload
 
@@ -160,6 +161,16 @@ $ curl -X POST "http://localhost:2019/load" \
 	-d @caddy.json
 ```
 
+## POST /stop
+
+Gracefully shuts down the server.
+
+### Example
+
+```bash
+$ curl -X POST "http://localhost:2019/stop"
+```
+
 ## GET /config/[scope]
 
 🏢 _Enterprise_