update docs

docs/releases/1.18.md

@@ -30,7 +30,7 @@ Don't forget to backup the project before upgrading or use a [VCS](https://en.wi
 
 ## Added
 
-- Added Fountain converter tool allowing to convert `.fountain` screenplay documents into `.nani` scripts. ([guide](/guide/fountain))
+- Added Fountain converter tool allowing to convert `.fountain` screenplay documents into `.nani` scripts.
 - Added shared poses allowing to re-use a pose between actors. ([guide](https://github.com/Naninovel/Documentation/blob/7b7593d83fc81aa3e4deabde09f9d4fd223e0bbc/docs/guide/characters.md#poses))
 - Added an option to inject custom metadata providers. ([guide](https://github.com/Naninovel/Documentation/blob/3e089746d6ce2f25e7f6ba4aa7836408bf9b23b1/docs/guide/ide-extension.md#metadata-providers))
 - Added an option to specify constant expressions to be evaluated by the IDE extension. ([guide](https://github.com/Naninovel/Documentation/blob/3e089746d6ce2f25e7f6ba4aa7836408bf9b23b1/docs/guide/ide-extension.md#constant-expressions))