diff --git a/README.md b/README.md
index bdf654b..030667a 100644
--- a/README.md
+++ b/README.md
@@ -5,6 +5,7 @@ An overlay with some random stuff
 To add this overlay manually, run as root or using sudo:
 
 ```
-wget https://lab.cherboiche.org/boudin/cherb-overlay/raw/master/repository.xml
-layman -f -o file:///<current path>/repository.xml -a cherb-overlay
-```
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+layman -f -o https://lab.cherboiche.org/boudin/cherb-overlay/raw/master/repository.xml -a cherb-overlay
+```
+
+If an error occurs, please check that you're using at least python 3.3.
\ No newline at end of file