diff --git a/README.md b/README.md
index 7f51d5b..375c72e 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # µMatrix for Chromium
 
-[Under development: usable, but persistence schema not finalized, will certainly change]
+[Under development: usable, but not stable, many things broken because in the midst of general refactoring]
 
 Forked from [HTTP Switchboard](https://github.com/gorhill/httpswitchboard).
 
@@ -13,6 +13,7 @@ Differences with HTTP Switchboard:
         - Z is the source hostname axis (aka "scope"), from narrower scopes to global scope
         - X is the request type axis: `*`, `cookie`, `css`, etc.
         - Y is the destination hostname axis (`www.example.com`, `example.com`, `com`, `*`)
+    - Thus, **every** request is evaluated starting from the scope as per request's hostname, down to global scope if no explicit rule is found on the way down.
     - Switching scopes in matrix popup does not create/delete scopes, this just allows a user to modify rules in a specific scope
         - Rules in narrower scope(s) still exist and are enforced even if you have the global scope selected
 - Settings which no longer exist: