diff --git a/scripts/http-open-redirect.nse b/scripts/http-open-redirect.nse
index 707dfccc3..2ceb15250 100644
--- a/scripts/http-open-redirect.nse
+++ b/scripts/http-open-redirect.nse
@@ -8,7 +8,12 @@ local url = require "url"
 description = [[
 Spiders a website and attempts to identify open redirects. Open
 redirects are handlers which commonly take a URL as a parameter and
-responds with a http redirect (3XX) to the target.  Risks of open redirects are described at http://cwe.mitre.org/data/definitions/601.html.
+responds with a HTTP redirect (3XX) to the target.  Risks of open redirects are
+described at http://cwe.mitre.org/data/definitions/601.html.
+
+Only open redirects that are directly linked on the target website can be
+discovered this way. If an open redirector is not linked, it will not be
+discovered.
 ]]
 
 ---