Remove whitelist/blacklist terms

Using @hueniverse 's proposed wording from #1636

README.md

@@ -115,7 +115,7 @@ When validating a schema:
     ```
 
 * Strings are utf-8 encoded by default.
-* Rules are defined in an additive fashion and evaluated in order after whitelist and blacklist checks.
+* Rules are defined in an additive fashion and evaluated in order, first the inclusive rules, then the exclusive rules.
 
 # Browsers