manual update

doc/MANUAL.md

@@ -255,8 +255,8 @@ This project is open source, freely downloadable so there can be
 as many versions as here are git commits.
 
 v3.0.3 is currently the only version which is officially being sold
-at [skriptarnica](http://skriptarnica.hr). Other versions are either
-prototypes or independently produced.
+at [skriptarnica](http://skriptarnica.hr/vijest.aspx?newsID=1466).
+Other versions are either prototypes or independently produced.
 
 Up to our knowledge those versions are currently circulating around.
 All listed versions should work if all parts (notably BGA) are properly