diff --git a/.worklog.conf b/.worklog.conf
index 871cbdd..3ff058d 100644
--- a/.worklog.conf
+++ b/.worklog.conf
@@ -1 +1,4 @@
+#
+# Prefix the day of the week, and the current time, to each entry.
+#
 prefix="$(date "+%A %H:%M") "