Update board link

README.md

@@ -54,7 +54,7 @@ This documentation is distributed *as is* and WITHOUT ANY EXPRESS OR IMPLIED WAR
 ## Support the Project
 If you want to get some boards manufactured, you can get them from PCBWay through this link:
 
-[![PCB from PCBWay](https://www.pcbway.com/project/img/images/frompcbway.png)](https://www.pcbway.com/project/shareproject/Hannes512_256_kB_RAM_Expansion_for_the_Commodore_16_4_b94217cd.html)
+[![PCB from PCBWay](https://www.pcbway.com/project/img/images/frompcbway.png)](https://www.pcbway.com/project/shareproject/Hannes512_512_kB_RAM_Expansion_for_the_Commodore_16_4_e876fa91.html)
 
 You get my gratitude and cheap, professionally-made and good quality PCBs, I get some credit that will help with this and [other projects](https://www.pcbway.com/project/member/?bmbno=72D33927-5EF6-42). You won't even have to worry about the various PCB options, it's all pre-configured for you!