Updating README.md

Author: ftomassetti

README.md

@@ -5,18 +5,32 @@
     <img src="https://avatars.githubusercontent.com/u/20327314?s=200&v=4" alt="Logo" width="120" height="120">
   </a>
 
-<h3 align="center">antlr4-c3</h3>
+<h3 align="center">ANTLR4-C3 Java</h3>
 
 <p align="center">
-    The ANTLR4 Code Completion Core
+    The ANTLR4 Code Completion Core, ported to Java
 <br />
     <br />
     <a href="https://github.com/Strumenta/antlr4-c3-java/issues">Report Bug</a>
 </p>
 
+![License](https://img.shields.io/github/license/mike-lischke/antlr4-c3?style=for-the-badge&color=lightgreen)
+
+
+This is a port of the antlr4-c3 library to Java. 
+
+The original project is [antlr4-c3](https://github.com/mike-lischke/antlr4-c3/tree/main), created by Mike Lischke.
+The author has created the original code for ANTLR4 C3, which is a TypeScript library. The Java port got contributions from Nick Stephen, @kaidjohnson, @rovo98
+, and @vityaman . 
+
+We are just maintaining and publishing such port, with the [authorization](https://github.com/mike-lischke/antlr4-c3/issues/175) from the author.
+
+## License
+
+This port, as the original code, is available under the MIT license.
+
+## How to use ANTLR4 C3 in Java
 
-This is a port of the antlr4-c3 library to Java forked from another [project](https://github.com/mike-lischke/antlr4-c3/tree/main) and now being distributed 
-and maintained by Strumenta with the [authorization](https://github.com/mike-lischke/antlr4-c3/issues/175) from the author.
 
 Please see next an explanation of the library and some examples. 
 ```
@@ -28,6 +42,8 @@ The only changes with respect to the original typescript implementation are:
 - use of Java logging framework for debug messages
 - CandidatesCollection has a new field which returns information about encountered preferred rules
 
+## Development
+
 ### Making a release
 
 ```