Fix a typo in README.md (#31677)

* Fix a typo in README.md

* Fix merge error

---------

Co-authored-by: Andrei Litvin <andy314@gmail.com>
diff --git a/examples/minimal-mdns/README.md b/examples/minimal-mdns/README.md
index da46c6c..9e74f40 100644
--- a/examples/minimal-mdns/README.md
+++ b/examples/minimal-mdns/README.md
@@ -44,7 +44,7 @@
 You can customize the queries run:
 
 ```sh
-/out/minimal_mdns/minimal-mdns-client -q chip-mdns-demo._matter._tcp.local
+./out/minimal_mdns/minimal-mdns-client -q chip-mdns-demo._matter._tcp.local
 ```
 
 see