Bungled a link.

Author: zinigor

README.md

@@ -2,7 +2,7 @@
 
 ## WordPress chessboard Gutenberg block
 
-This is a very simple implementation of a block that shows a starting position based on a (FEN string)[https://en.wikipedia.org/wiki/Forsyth%E2%80%93Edwards_Notation].
+This is a very simple implementation of a block that shows a starting position based on a [FEN string](https://en.wikipedia.org/wiki/Forsyth%E2%80%93Edwards_Notation).
 
 ### TODO