Updated readme.

Author: samizzo

README.md

@@ -54,7 +54,8 @@ Finally, there is now an additional colour setting for the 'type' keywords (avai
 
 The latest build is available from:
 
-http://www.horsedrawngames.com/NShader2013.zip  
-http://www.horsedrawngames.com/NShader2015.zip
+http://www.horsedrawngames.com/NShader.zip
+
+The above build can be used to install NShader in both VS 2013 and 2015.
 
 This README and the built-in mappings are available in the zip file for reference.