[PATCH 029/188] Update README.md

From 480177c4f38cb91963f73877caaf3a151b79e1b6 Mon Sep 17 00:00:00 2001
From: Dmitry Boyarintsev <[email protected]>
Date: Fri, 27 Sep 2019 22:56:48 -0400

git-svn-id: branches/wasm@46025 -

utils/wasmbin/README.md

@@ -6,6 +6,8 @@ wasmtool is an utility that allows to modify wasm binary linking information. wa
 
 ### command
 
+Only one command should be specified per call
+
 #### exportrename
 
     --exportrename inputfile