diff --git a/tests/test_apt.sh b/tests/test_apt.sh
index ffe1c1c0d9bee15bf353468a167f08fcef2978ab..ffcf41a93ad80fad99aa163240458ef04d507ea4 100755
--- a/tests/test_apt.sh
+++ b/tests/test_apt.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 # Criticality: Normal
-# Check that updates can be installed.
+# Check that updates can be installed and that automatic security updates are enabled.
 set -e
 
 echo "Testing apt-get install"