diff --git a/contributing.md b/contributing.md
index 66a57971c0..52088d693c 100644
--- a/contributing.md
+++ b/contributing.md
@@ -110,6 +110,5 @@ Then you can ask the tester to create a `testresults.html` which will
 tell you if any new tests passed/failed.
 
 ```bash
-./koch html $DEVEL_COMMIT
-(xdg-)open testresults.html
+./koch --print html $DEVEL_COMMIT
 ```