diff --git a/Readme.md b/Readme.md
index 7d66ea3cf2f16156c7183e07c38e4cbc729066fd..bd81bf7c8591001fb5fccf6bf4f29e422e304257 100644
--- a/Readme.md
+++ b/Readme.md
@@ -69,8 +69,10 @@ For now there are three types of such rules:
    case it will be rejected as a lint error.
  - `schema: {"scope":[scopes], "subst":{domain: prefix, ...}}`: if in a scope
    listed in `scopes` and given a URI with the domain `domain`, concatenate 
-   `prefix` with the tail of this URI. If there is no applicable `domain`,
-   reject the URI
+   `prefix` with the tail of this URI.
+
+In case an URI is encountered and there is no applicable rule, it will be rejected
+(note that this means you'll have to explicitly allow `https://` for links!)
 
 For now there are two (useful) scopes: `map` applies to tiled map links 
 (i.e. `exitUrl`), and `website` applies to weblinks (i.e. `openWebsite`).