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-rw-r--r--plugins/check_pgsql.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/plugins/check_pgsql.c b/plugins/check_pgsql.c
index d3116b00..c109955a 100644
--- a/plugins/check_pgsql.c
+++ b/plugins/check_pgsql.c
@@ -576,7 +576,7 @@ void
print_usage (void)
{
printf ("%s\n", _("Usage:"));
- printf ("%s [-H <host>] [-P <port>] [-c <critical time>] [-w <warning time>]\n", progname);
+ printf ("%s [-H <host>] [-4|-6] [-P <port>] [-c <critical time>] [-w <warning time>]\n", progname);
printf (" [-t <timeout>] [-d <database>] [-l <logname>] [-p <password>]\n"
"[-q <query>] [-C <critical query range>] [-W <warning query range>]\n");
}