diff --git a/README.md b/README.md
index 42cc3ab..a638af8 100644
--- a/README.md
+++ b/README.md
@@ -89,3 +89,4 @@ The modName parameter can be `cryptic`, `dw` and `twoira` or it can be missing.
 You can see the port and the command line command to join in the response.
 
 Port range used: 23580-23700
+If you want to run the website on other port than 23580, then you can change this number to whatever else you like in the `Dockerfile`.