diff --git a/README.md b/README.md
index 0dab67c..91b2160 100644
--- a/README.md
+++ b/README.md
@@ -29,6 +29,19 @@ See [the wiki here](https://forgejo.isvery.ninja/xrsh/xrsh/wiki/Home#milestones)
5. Profit! ✔
+
+ launch different .iso / modify files
+
+You can specify a different `.iso` file in various ways:
+
+1. open the `xrsh.com` as a zip (drag-drop into a zip-manager, or add `.zip` extension)
+2. method 1: overwrite `xrsh.iso`
+3. method 2: open `src/index.html` and change `isoterminal="iso: ./../xrsh.iso"` to another file/URL
+
+> see developer-section below on building your own iso
+
+
+
The browser auto-launches `https://localhost:8080` on most platforms
> pass `-p XXXX` to specify port (default:8080)
diff --git a/src/index.html b/src/index.html
index 901f40d..04db8a4 100644
--- a/src/index.html
+++ b/src/index.html
@@ -1,7 +1,7 @@
- xrsh v0.141b
+ xrsh v0.142