fix writing guide link

Author: cwaring

docs/community/contribute/grammar-formatting-and-style.md

@@ -5,7 +5,7 @@ description: Learn the syntax and formatting rules for writing documentation for
 
 # Grammar, formatting, and style
 
-This page details the syntax and formatting rules for writing Filecoin documentation. For more conceptual ideas of writing, check out the [writing guide](/community/contribute/writing-guide/).
+This page details the syntax and formatting rules for writing Filecoin documentation. For more conceptual ideas of writing, check out the [writing guide](./writing-guide).
 
 ## Grammar and spelling