Update README.md

Author: ddebowczyk

README.md

@@ -5,7 +5,7 @@ This monorepo contains a set of dev-friendly, framework agnostic components offe
 
 - **Instructor for PHP** - structured data extraction in PHP - powered by LLMs, designed for simplicity, transparency, and control; supports custom LLM output processors (not just JSON),
 - **Polyglot for PHP** - unified LLM API - write code once, deploy with any LLM provider: OpenAI chat completions API, OpenAI responses API, Anthropic, Gemini, Ollama, etc.; you can write own LLM drivers,
-- **Agent SDK for PHP** - lightweight but powerful agent SDK, supports custom tools, lifecycle hooks, subagents, context management, custom stop / continuation criteria, observability via events, packaged capabilities, agent templates, and more.
+- **Agent SDK for PHP** - lightweight but powerful agent SDK, supports custom tools, lifecycle hooks, subagents, context management, custom stop / continuation criteria, observability via events, packaged capabilities, agent templates, session management, and more.
 
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