Update README.md.

Author: Oleg-Melnik

README.md

@@ -1,11 +1,16 @@
 [![Ubuntu build][ubuntu-build-badge]][gh-actions]
 [![license](https://img.shields.io/badge/license-Apache%20License%202.0-blue.svg?style=flat)](http://www.apache.org/licenses/LICENSE-2.0)
-# Chords-Gradle-plugin
+# Spine Chords Gradle plugin
 
-Gradle plugin for [Spine Chords](https://github.com/SpineEventEngine/Chords/) 
-library that generates Kotlin extensions for Proto messages.
+Gradle plugin for [Spine Chords](https://github.com/SpineEventEngine/Chords/),
+a suite of libraries for developing desktop UI using the Compose Multiplatform toolkit.
+Being based on the [Spine Event Engine](https://spine.io/), the Chords libraries use 
+the [Protobuf](https://protobuf.dev/) to define the project's model. The Gradle plugin 
+is designed to generate code that helps to utilize the Protobuf message API, generated by Protobuf 
+compiler, and exposes its own API, allowing for more flexible and generic way of handling
+Protobuf messages.
 
-The following code will be generated if the plugin is applied to a project:
+So, the following code will be generated if the plugin is applied to a project:
 
 - [MessageDef](https://github.com/SpineEventEngine/Chords/blob/master/codegen/runtime/src/main/kotlin/io/spine/chords/runtime/MessageDef.kt) 
 implementations for Proto messages. 
@@ -21,6 +26,10 @@ that returns the instance of `MessageDef` implementation for the current message
 - Gradle `6.9.x`
 - Kotlin `1.8.20`
 
+The supported Gradle version is chosen because the Chords libraries are currently 
+based on Spine `1.9.x`, which requires that Gradle version. 
+Support for newer Gradle versions is expected to increase as new versions of Spine are released.
+
 ## How it works
 
 Actually, the plugin applies [codegen-plugins](https://github.com/SpineEventEngine/Chords/blob/master/codegen/plugins/README.md)