diff --git a/xCAT-server/lib/xcat/plugins/copycds.pm b/xCAT-server/lib/xcat/plugins/copycds.pm
index 9fb75072b..3f6bf14ad 100644
--- a/xCAT-server/lib/xcat/plugins/copycds.pm
+++ b/xCAT-server/lib/xcat/plugins/copycds.pm
@@ -65,7 +65,7 @@ sub process_request {
         'w|nonoverwrite' => \$nonoverwrite,
     );
     if ($help) {
-        $callback->({ info => "copycds [{-p|--path}=path] [{-n|--name|--osver}=distroname] [{-a|--arch}=architecture] [-i|--inspection] [{-o|--noosimage}] [{-w|--nonoverwrite}] 1st.iso [2nd.iso ...]." });
+        $callback->({ info => "copycds [{-p|--path} path] [{-n|--name|--osver} distroname] [{-a|--arch} architecture] [-i|--inspection] [{-o|--noosimage}] [{-w|--nonoverwrite}] 1st.iso [2nd.iso ...]." });
         return;
     }
     if ($arch and $arch =~ /i.86/) {