diff --git a/gui/wiper.sh b/gui/wiper.sh
index 65f0ce5..11766f7 100755
--- a/gui/wiper.sh
+++ b/gui/wiper.sh
@@ -1,4 +1,8 @@
 #!/bin/sh
+#
+# Wipe Brutus artefacts.
+#
+# Run as 'watch -n 10 ./wiper.sh'
 
 find lsf.* -maxdepth 0 -amin +11 -print -delete 2>&1