fix(docs): Proper block for romac shield.

docs/docs/hardware.md

@@ -29,7 +29,7 @@ That being said, there are currently only a few specific [boards](/docs/faq#what
 - [Sofle](https://github.com/josefadamcik/SofleKeyboard) (`sofle_left` and `sofle_right`)
 - [Splitreus62](https://github.com/Na-Cly/splitreus62) (`splitreus62_left` and `splitreus62_right`)
 - [RoMac+ v4](https://www.littlekeyboards.com/products/romac) (`romac_plus`)
-- [RoMac v2](https://mechboards.co.uk/shop/kits/romac-macro-pad/) (`romac')
+- [RoMac v2](https://mechboards.co.uk/shop/kits/romac-macro-pad/) (`romac`)
 - [QAZ](https://www.cbkbd.com/product/qaz-keyboard-kit) (`qaz`)
 
 ## Other Hardware