Merge pull request #1101 from zhongdeliu/patch-1

only a comment fix for proxyReq variable

Author: shakyShane

lib/server/proxy-server.js

@@ -37,7 +37,7 @@ var ProxyOption = Immutable.Record({
     target: "",
     rewriteRules: true,
     /**
-     * Functions to be called on proxy response
+     * Functions to be called on proxy request
      * with args [proxyReq, req, res, options]
      */
     proxyReq:     List([]),