diff --git a/bcachefs.8 b/bcachefs.8
index aee1e4a3..cb02ddb4 100644
--- a/bcachefs.8
+++ b/bcachefs.8
@@ -126,7 +126,7 @@ Action to take on filesystem error (default:
 .It Fl L , Fl -label Ns = Ns Ar label
 Create the filesystem with the specified
 .Ar label
-.It Fl -uuid Ns = Ns Ar uuid
+.It Fl U , -uuid Ns = Ns Ar uuid
 Create the filesystem with the specified
 .Ar uuid
 .It Fl f , Fl -force
diff --git a/cmd_format.c b/cmd_format.c
index 85b7e655..4462d3ca 100644
--- a/cmd_format.c
+++ b/cmd_format.c
@@ -84,7 +84,7 @@ static void usage(void)
 	     "      --error_action=(continue|readonly|panic)\n"
 	     "                              Action to take on filesystem error\n"
 	     "  -L, --label=label\n"
-	     "      --uuid=uuid\n"
+	     "  -U, --uuid=uuid\n"
 	     "  -f, --force\n"
 	     "\n"
 	     "Device specific options:\n"