README.md in dry-behaviour-0.2.1 vs README.md in dry-behaviour-0.2.2

@@ -62,9 +62,20 @@
 
 @am-kantox, @saverio-kantox & @kantox
 
 ## Changelog
 
+### `0.2.2` :: meaningful errors
+
+#### Throws an exception on wrong usage:
+
+```ruby
+Protocols::Adder.add({}, 42)
+#⇒ Protocols::NotImplemented: Protocol “Protocols::Adder” is not implemented for “Hash”
+Protocols::Adder.hello({}, 42)
+#⇒ Protocols::NotImplemented: Protocol “Protocols::Adder” does not declare method “hello”
+```
+
 ### `0.2.1` :: multiple targets
 
 #### Multiple targets:
 
 ```ruby