diff --git a/i3status.c b/i3status.c
index 437144f..88fb90e 100644
--- a/i3status.c
+++ b/i3status.c
@@ -511,7 +511,7 @@ int main(int argc, char *argv[]) {
                 break;
             case 'h':
                 printf("i3status " I3STATUS_VERSION " © 2008 Michael Stapelberg and contributors\n"
-                       "Syntax: %s [-c <configfile>] [-h] [-v]\n",
+                       "Syntax: %s [-c <configfile>] [-h] [-v] [--run-once]\n",
                        argv[0]);
                 return 0;
                 break;
diff --git a/man/i3status.man b/man/i3status.man
index a9d7a02..36e1a6e 100644
--- a/man/i3status.man
+++ b/man/i3status.man
@@ -9,11 +9,11 @@ i3status - Generates a status line for i3bar, dzen2, xmobar or lemonbar
 
 == SYNOPSIS
 
-i3status [-c configfile] [-h] [-v]
+i3status [-c configfile] [-h] [-v] [--run-once]
 
 == OPTIONS
 
--c::
+-c --config::
 Specifies an alternate configuration file path. By default, i3status looks for
 configuration files in the following order:
 
@@ -22,6 +22,16 @@ configuration files in the following order:
 3. ~/.i3status.conf
 4. /etc/i3status.conf
 
+-h --help::
+Print the verison and a minimal syntax.
+
+-v --version::
+Print the version and any build configuration.
+
+--run-once::
+Only run once instead of looping.
+
+
 == DESCRIPTION
 
 i3status is a small program for generating a status bar for i3bar, dzen2,