Fix broken links

Author: ThomasFarstrike

docs/os-development/running-on-desktop.md

@@ -1,6 +1,6 @@
 ## Running on Linux or MacOS
 
-1. Download a release binary (e.g., `MicroPythonOS_amd64_Linux`, `MicroPythonOS_amd64_MacOS`) or build your own [on MacOS](macos.md) or [Linux](linux.md).
+1. Download a release binary (e.g., `MicroPythonOS_amd64_Linux`, `MicroPythonOS_amd64_MacOS`) or build your own [on MacOS](../os-development/macos.md) or [Linux](../os-development/linux.md).
 
 2. If you don't have a local clone yet then do it now, so you have the local_filesystem/ folder:
 

docs/other/release-checklist.md

@@ -52,4 +52,4 @@ scripts/release_to_install.sh
 ## Notes
 
 - Ensure all repositories are pushed before tagging.
-- Verify builds on target hardware (see [Building for ESP32](esp32.md)).
+- Verify builds on target hardware