diff --git a/usr.bin/uname/uname.1 b/usr.bin/uname/uname.1
index 332ce6e9e5ad..f78e437c7ff2 100644
--- a/usr.bin/uname/uname.1
+++ b/usr.bin/uname/uname.1
@@ -40,7 +40,7 @@
 .Nd display information about the system
 .Sh SYNOPSIS
 .Nm
-.Op Fl aimnprsv
+.Op Fl aimnoprsv
 .Sh DESCRIPTION
 The
 .Nm
diff --git a/usr.bin/uname/uname.c b/usr.bin/uname/uname.c
index a33b5570db1e..0e120b9b5c83 100644
--- a/usr.bin/uname/uname.c
+++ b/usr.bin/uname/uname.c
@@ -245,6 +245,6 @@ NATIVE_SYSCTLNAME_GET(ident, "kern.ident") {
 void
 usage(void)
 {
-	fprintf(stderr, "usage: uname [-aimnprsv]\n");
+	fprintf(stderr, "usage: uname [-aimnoprsv]\n");
 	exit(1);
 }