Update README.md

Author: terryburton

README.md

@@ -9,7 +9,7 @@ variety of platforms.
 
 The project also serves as a reference implementation of a framework for
 processing the [GS1 Barcode Syntax Dictionary](https://ref.gs1.org/tools/gs1-barcode-syntax-resource/syntax-dictionary/)
-and [GS1 Barcode Syntax Tests](https://ref.gs1.org/tools/gs1-barcode-syntax-resource/syntax-tests/).
+and its subordinate [GS1 Barcode Syntax Tests](https://ref.gs1.org/tools/gs1-barcode-syntax-resource/syntax-tests/).
 
 This project includes: