1 files changed, 19 insertions, 0 deletions
diff --git a/redshift.1 b/redshift.1
index b978f1f..33706fc 100644
--- a/redshift.1
+++ b/redshift.1
@@ -12,6 +12,8 @@ redshift \- Automatically adjust display colour temperature according the Sun
 .IR elevations ]
 [-g
 .IR gamma ]
+[-H
+.IR hook-file ]
 [-l
 .IB latitude : longitude
 | -l
@@ -179,6 +181,14 @@ nothing is omitted or an entire set, including its two colons
 .RB ( : )
 are omitted.
 .TP
+.BI -H\fR\  hook-file
+Select hook file or directory.
+
+.B /dev/null
+or
+.B /var/empty
+can be used to tell redshift not to run hook files.
+.TP
 .B -h
 Display help message.
 .TP
@@ -840,6 +850,15 @@ Set gamma correction for nighttime. Values must be within [0.1,
 however if only one value is specified it is applied to all
 each channels.
 .TP
+.BI hook\fR\ =\  "file or directory"
+Set hook file or directory. If not specified, the default
+paths are searched.
+
+.B /dev/null
+and
+.B /var/empty
+can be used to prevent redshift from executing hooks.
+.TP
 .BI fade\fR\ =\ \fP0 " or " 1
 Disable (if
 .BR 0 )