updated readme

Author: jdereg

README.md

@@ -10,9 +10,9 @@ Key Features:
 - Supports polymorphic types and complex object graphs
 - Zero external dependencies (other than java-util)
 - Fully compatible with both JPMS and OSGi environments
-- Lightweight (237K for json-io.jar, 405K for java-util)
+- Lightweight (240K for json-io.jar, 411K for java-util)
 - Compatible with JDK 1.8 through JDK 23
-- Extensive configuration options via ReadOptions and WriteOptions
+- Extensive configuration options via `ReadOptionsBuilder` and `WriteOptionsBuilder`
 - Featured on [json.org](http://json.org)
 ## Compatibility