Update README.md, document context injection

README.md

@@ -11,6 +11,8 @@ Give your notes AI capability by embedding Opencode [OpenCode](https://opencode.
 - Query and explore your knowledge base
 - Generate outlines and structured notes
 
+This plugin uses OpenCode's web view that can be embedded directly into Obsidian window. Usually similar plugins would use the ACP protocol, but I want to see how how much is possible without having to implement (and manage) a custom chat UI - I want the full power of OpenCode in my Obsidian.
+
 _Note: plugin author is not afiliated with OpenCode or Obsidian - this is a 3rd party software._
 
 ## Requirements
@@ -32,13 +34,14 @@ _Note: plugin author is not afiliated with OpenCode or Obsidian - this is a 3rd
 - `Cmd/Ctrl+Shift+O` to toggle the panel
 - Server starts automatically when you open the panel
 
-### Commands
+## Context injection (experimental)
 
-| Command | Description |
-|---------|-------------|
-| Toggle OpenCode panel | Show/hide sidebar |
-| Start OpenCode server | Manual start |
-| Stop OpenCode server | Manual stop |
+This plugin can automatically inject context to the running OC instance: list of open notes and currently selected text.
+
+It can be configured form the plugin settings.
+
+Currently, this is work-in-progress feature with some limitations:
+- It won't work when creating new session from OC interface.
 
 ## Settings