Add "include" hint to readme

README.md

@@ -7,6 +7,9 @@ This script adds configuration deeplinks to go pages, to let you jump directly
 to the configuration for whatever build you have open. It also adds color to the
 build output, making it easier to see what's important.
 
+Installation
+------------
+
 If you have
 [Greasemonkey](https://addons.mozilla.org/en-US/firefox/addon/greasemonkey/)
 in Firefox or
@@ -15,7 +18,9 @@ in Chrome, you can
 [install by opening the script](https://github.com/programmiersportgruppe/go-defrustrator/raw/master/go-defrustrator.user.js)
 in your browser.
 
-By default the script will kick in on Go pages served over HTTP on port 8153,
-which is how go listens out of the box.
-If your setup involve go being served over HTTPS or on a different port,
-you'll have to configure the script to be active there.
+By default the script will kick in on Go pages served over HTTP on Go's default
+port 8153.
+If you access Go over HTTPS or on a different port,
+you'll have to configure the script to be active there by adding an appropriate
+"include" (e.g., `https://go-server.example.com/go/*`) in the
+Greasemonkey/Tampermonkey settings for the script.