diff --git a/.DS_Store b/.DS_Store
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Binary files /dev/null and b/.DS_Store differ
diff --git a/README.md b/README.md
index ed41a6c..25b5b3e 100644
--- a/README.md
+++ b/README.md
@@ -6,4 +6,6 @@ The alert system of our deep freezer in the s2 scullery will send emails as
 soon, as the temperature exceeds a certain level. 
 
 This script will check regularly if the alert system itself is reachable and
-send an email if the system is not available (network down or power failure).
\ No newline at end of file
+send an email if the system is not available (network down or power failure).
+
+The script is run regularly via standard cron job on our server.