Update README.md

tools/cors_proxy/README.md

@@ -4,7 +4,7 @@
 
 This is a simple [NGINX](https://www.nginx.com/) docker server to
 append [CORS headers](https://developer.mozilla.org/en-US/docs/Web/HTTP/CORS) to HTTP responses from a GoPro camera.
-This proxy accepts input on port 80 and forwards it to `http:10.5.5.9:8080`
+This proxy accepts input on port 8082 and forwards it to `http:10.5.5.9:8080`
 
 ## How do I use it?