diff --git a/openbsc/src/libmgcp/mgcp_vty.c b/openbsc/src/libmgcp/mgcp_vty.c
index 26b5706..4b7f4ce 100644
--- a/openbsc/src/libmgcp/mgcp_vty.c
+++ b/openbsc/src/libmgcp/mgcp_vty.c
@@ -1109,7 +1109,7 @@
 
 DEFUN(cfg_mgcp_osmux_batch_factor,
       cfg_mgcp_osmux_batch_factor_cmd,
-      "osmux batch-factor <1-4>",
+      "osmux batch-factor <1-16>",
       OSMUX_STR "Batching factor\n" "Number of messages in the batch\n")
 {
 	g_cfg->osmux_batch = atoi(argv[0]);