Apply suggestions from code review

Co-authored-by: Matt Holt <mholt@users.noreply.github.com>

src/docs/markdown/caddyfile/directives/reverse_proxy.md

@@ -254,11 +254,11 @@ reverse_proxy https://example.com {
 }
 ```
 
-Strip a path prefix then proxy with a new path:
+Replace a path prefix before proxying:
 
 ```caddy-d
-handle_path /prefix/* {
-	rewrite * /foo{path}
+handle_path /old-prefix/* {
+	rewrite * /new-prefix{path}
 	reverse_proxy localhost:9000
 }
 ```