README: note of snuffle functionality

README.md

@@ -189,3 +189,11 @@ Now run the detector with
 lassie scan config.yaml
 ```
 
+## Scrutinize detections
+After the detection has finished have a look at the results using Pyrocko's
+[Snuffler](http://emolch.github.io/pyrocko/current/snuffler.html):
+
+```bash
+lassie snuffle config.yaml
+```
+Waveform data are loaded together with station meta data and detections.