Fix build

Author: lynxplay

docs/paper/dev/api/registries.mdx

@@ -94,7 +94,7 @@ Beyond plain reading access to registries, paper also offers a way for plugins t
 
 :::warning
 Mutating registries needs to be done during the servers bootstrap phase.
-As such, this section is only applicable to [Paper plugins](./../getting-started/paper-plugins).
+As such, this section is only applicable to [Paper plugins](../getting-started/paper-plugins.mdx).
 :::
 
 :::note