fix broken rst links

rfcs/0025-dbus-broker-default.md

@@ -45,7 +45,7 @@ Their [change proposal](https://fedoraproject.org/wiki/Changes/DbusBrokerAsTheDe
 
   For a more detailed rationale, please see our [rfc0025][1].
 
-  [1]: https://gitlab.archlinux.org/archlinux/rfcs/-/blob/master/rfcs/0025-dbus-broker-default.rst
+  [1]: https://gitlab.archlinux.org/archlinux/rfcs/-/blob/master/rfcs/0025-dbus-broker-default.md
   ```
 
 ## Drawbacks

rfcs/0031-allow-all-staff-to-create-rfcs.md

@@ -23,7 +23,7 @@ This endorsement serves not only to validate the idea but also to ensure it is g
 
 ## Specification
 
-We propose the following amendment to the RFC process documentation to reflect this inclusive approach: The term \"Developer or Package Maintainer\" will be updated to \"Arch Linux Staff\" across relevant sections of the [README file](https://gitlab.archlinux.org/archlinux/rfcs/-/blob/master/README.rst) in the [RFCs repository](https://gitlab.archlinux.org/archlinux/rfcs).
+We propose the following amendment to the RFC process documentation to reflect this inclusive approach: The term \"Developer or Package Maintainer\" will be updated to \"Arch Linux Staff\" across relevant sections of the [README file](https://gitlab.archlinux.org/archlinux/rfcs/-/blob/master/README.md) in the [RFCs repository](https://gitlab.archlinux.org/archlinux/rfcs).
 
 ## Drawbacks