diff --git a/weed/shell/command_fs_meta_load.go b/weed/shell/command_fs_meta_load.go
index a2ae9401d..bc71c1533 100644
--- a/weed/shell/command_fs_meta_load.go
+++ b/weed/shell/command_fs_meta_load.go
@@ -32,6 +32,7 @@ func (c *commandFsMetaLoad) Help() string {
 
 	fs.meta.load <filer_host>-<port>-<time>.meta
 	fs.meta.load -v=false <filer_host>-<port>-<time>.meta // skip printing out the verbose output
+ 	fs.meta.load -concurrency=1 <filer_host>-<port>-<time>.meta // number of parallel meta load to filer
 	fs.meta.load -dirPrefix=/buckets/important* <filer_host>.meta // load any dirs with prefix "important"
 
 `