diff --git a/README.md b/README.md
index 6e6e57f..2292439 100644
--- a/README.md
+++ b/README.md
@@ -1,8 +1,8 @@
-# YARSpg grammar for [ANTLR v4](https://github.com/antlr/antlr4)
+# YARS-PG grammar for [ANTLR v4](https://github.com/antlr/antlr4)
 
 [![Build Status](https://travis-ci.com/lszeremeta/antlr-yarspg.svg?token=pTqbek1JAcq4ZAzTmmEy&branch=master)](https://travis-ci.com/lszeremeta/antlr-yarspg)
 
-The YARSpg serialization is a special version of [YARS](https://github.com/lszeremeta/antlr-yars) for property graphs.
+The YARS-PG serialization is a special version of [YARS](https://github.com/lszeremeta/antlr-yars) for property graphs.
 
 This project based on [ANTLR grammars-v4 project](https://github.com/antlr/grammars-v4).