fix hyperlink in permissions (PurpurMC#73)

Author: Vadym

mkdocs/Permissions.md

@@ -143,7 +143,7 @@ Hex colors only register once a book has been signed
 ## purpur.anvil.color
 Requires enabling [`anvil.allow-colors`](../Configuration#allow-colors_1) in purpur.yml
 
-- Allows players to use legacy color codes in anvil. [`There is more information about colour codes on the Minecraft website.`](**https://minecraft.fandom.com/wiki/Formatting_codes**)
+- Allows players to use legacy color codes in anvil. [`There is more information about colour codes on the Minecraft website.`](https://minecraft.fandom.com/wiki/Formatting_codes)
 
 ## purpur.anvil.minimessage
 Requires enabling [`anvil.allow-minimessage`](../Configuration#use-mini-message) in purpur.yml