Fix crash when uploading file

src/server.js

@@ -104,7 +104,7 @@ function initializeExpressSync() {
         .use(router)
         .use(middleware.lastMile());
 
-    // NOTE: these limits have to be in sync with nginx limits
+    // NOTE: routes that use multi-part have to be whitelisted in the reverse proxy
     var FILE_SIZE_LIMIT = '256mb', // max file size that can be uploaded (see also client_max_body_size in nginx)
         FILE_TIMEOUT = 60 * 1000; // increased timeout for file uploads (1 min)