Fixed broken links

README.md

@@ -49,7 +49,7 @@ The STlink toolset includes:
 
 ## Supported operating systems and hardware combinations
 
-Currently known working MCU targets are listed in [devices_boards.md](doc/devices_boards.md).
+Currently known working MCU targets are listed in [supported devices.md](<doc/supported devices.md>).
 
 A list of supported operating can be found in [version_support.md](doc/version_support.md).
 

doc/tutorial.md

@@ -104,7 +104,7 @@ In this known example one finds the counterfeited "STM32F103C8T6" MCUs to identi
 In the following you find some hints on how to identify your chip and track down fraud:
 
 - [How to Detect STM32 Fakes](https://www.cnx-software.com/2020/03/22/how-to-detect-stm32-fakes/)
-- [Confirmation by STMicroelectronics](https://www.mikrocontroller.net/attachment/442839/couterfeit_STM.png) (Marking: 991KA 93 MYS 807)
+- [Confirmation by STMicroelectronics](https://www.mikrocontroller.net/attachment/442839/couterfeit_STM.PNG) (Marking: 991KA 93 MYS 807)
 - [STM32 Clones: The Good, The Bad And The Ugly](https://hackaday.com/2020/10/22/stm32-clones-the-good-the-bad-and-the-ugly/)
 
 However it appears that not all counterfeited parts cause problems during operation, but some are known to not even being able to execute a basic "blinky" example binary. Further there can be problems that may not even show up or affect you directly, but somewhen later in time (or maybe never).

doc/version_support.md

@@ -1,4 +1,4 @@
-_Source:_ [pkgs.org](https://pkgs.org/search) - libusb, cmake, gtk, libgtk (as of Apr 2023)
+_Source:_ [pkgs.org](https://pkgs.org) - libusb, cmake, gtk, libgtk (as of Apr 2023)
 
 ## Supported Operating Systems