diff --git a/man/man5/monitorix.conf.5 b/man/man5/monitorix.conf.5
index 56311fd..42c9c2d 100644
--- a/man/man5/monitorix.conf.5
+++ b/man/man5/monitorix.conf.5
@@ -1002,6 +1002,8 @@ The external script will receive the following arguments:
 2nd - the value defined as \fIthreshold\fP.
 .br
 3rd - the value of the sensor.
+.br
+4th - the direction or when that alert was triggered by (above or below).
 .P
 .RE
 .SS IPMI sensor statistics (ipmi.rrd)