diff --git a/man/man5/monitorix.conf.5 b/man/man5/monitorix.conf.5
index e7e1c63..64445ed 100644
--- a/man/man5/monitorix.conf.5
+++ b/man/man5/monitorix.conf.5
@@ -3966,7 +3966,7 @@ This graph is able to monitor an unlimited number of Chrony daemons.
 .P
 .BI list
 .RS
-This is a comma-separated list of hostnames with the network port running \fIchronyd\fP. The format is <hostname>:<port> being the port number optional.
+This is a comma-separated list of hostnames with the network port running \fIchronyd\fP. The format is <hostname>[:<port>] being the port part optional.
 .P
 WARNING: Every time the number of entries in this option changes, Monitorix will resize the \fIchrony.rrd\fP file accordingly, removing all historical data.
 .P