diff --git a/README.md b/README.md
index 1719d80..8fe3db7 100644
--- a/README.md
+++ b/README.md
@@ -97,7 +97,8 @@ proxy requests. The following options are supported:
   Example: `['https://good.example.com', 'http://good.example.com']`
 * function `handleInitialRequest` - If set, it is called with the request, response and a parsed
   URL of the requested destination (null if unavailable). If the function returns true, the request
-  will not be handled further. It is the responsibility of the function to handle the request.
+  will not be handled further. Then the function is responsible for handling the request.
+  This feature can be used to passively monitor requests, for example for logging (return false).
 * function `checkRateLimit` - If set, it is called with the origin (string) of the request. If this
   function returns a non-empty string, the request is rejected and the string is send to the client.
 * boolean `redirectSameOrigin` - If true, requests to URLs from the same origin will not be proxied but redirected.