Update README.md

README.md

@@ -6,7 +6,7 @@ Normalisation strategies documentation:
 https://code.vereign.com/light/documentation/-/blob/master/Validation.md#normalization-strategies
 
 ## Prerequisites
-- [Node.JS](https://nodejs.org/en/) v9+
+- [Node.JS](https://nodejs.org/en/) ^10.12.0 || >=12.0.0+
 - [yarn](https://yarnpkg.com/getting-started/install) package manager
 
 ## Initialize project