diff --git a/README b/README
index b062be2a445c654a459f5717468e836e15b0cf2c..2795fd12b768f3f86702d799d6a57d6ec5a5789b 100644
--- a/README
+++ b/README
@@ -26,3 +26,6 @@ sudo apt-get install libmagic-dev
 and then use the magic functions such as the magic cookie function magic_open() to get the mime type for usage in response header. 
 
 Note that you are installing the magic library which must be loaded with -lmagic.
+
+Please make your code executable by <command> <portnumber>, so that I can specify the port to bind the socket to on the command line
+'./server 3240' should open a http server that runs on port 3240