Fix more links

Author: koppor

README.md

@@ -3,7 +3,7 @@
 This repository serves the content of <https://docs.jabref.org/>.
 The page itself is rendered using the power of [GitBook](https://www.gitbook.com/).
 
-Feel free to improve the page using the [issue tracker](https://github.com/JabRef/user-documentation/issues) or by following [our guide rendered by GitBook](https://docs.jabref.org/faq/faqcontributing#i-would-like-to-improve-the-help-page-what-are-the-steps).
+Feel free to improve the page using the [issue tracker](https://github.com/JabRef/user-documentation/issues) or by following [our guide rendered by GitBook](https://docs.jabref.org/contributing#i-would-like-to-improve-the-help-page-what-are-the-steps).
 In case you plan larger contributions, please contact us to gain access to the WYSIWG editor on GitBook itself.
 
 ## How to regenerate `SUMMARY.md` from scratch

en/README.md

@@ -51,6 +51,6 @@ JabRef is [highly customizable](setup/) and adapts to you, not the other way aro
 If you want to dive even deeper, have a look at the [advanced information](advanced/) about JabRef.
 
 {% hint style="success" %}
-JabRef is developed and maintained by a multidisciplinary [core team](https://github.com/JabRef/jabref/blob/main/MAINTAINERS) of PhD students, postdocs, and researchers in industry who work on JabRef in their freetime. Without the support of numerous volunteers, none of this would have been possible. [We welcome anyone who would like to contribute to be part of an active user and developer community!](faqcontributing/)
+JabRef is developed and maintained by a multidisciplinary [core team](https://github.com/JabRef/jabref/blob/main/MAINTAINERS) of PhD students, postdocs, and researchers in industry who work on JabRef in their freetime. Without the support of numerous volunteers, none of this would have been possible. [We welcome anyone who would like to contribute to be part of an active user and developer community!](contributing/)
 {% endhint %}