Update OpenWrt Raspberry Pi Documentation URL

Author: agsdot

README.md

@@ -73,7 +73,7 @@ The complete collection of (consumer) Raspberry Pi models consist of:
 - [OpenHABian](https://docs.openhab.org/installation/openhabian.html) - A preconfigured version of the OpenHAB home automation software. ![Supports Raspberry Pi 2+](/media/badges/rpi-2+.png)
 - [OpenMediaVault](https://www.openmediavault.org/) - OpenMediaVault is the next generation network attached storage (NAS) solution based on Debian Linux containing services like SSH, (S)FTP, SMB/CIFS, DAAP media server, RSync, BitTorrent client and many more. ![Supports Raspberry Pi 3](/media/badges/rpi-3.png)
 - [openSUSE](https://en.opensuse.org/HCL:Raspberry_Pi) - openSUSE is a major Linux distribution that has images based for its stable release Leap and rolling release Tumbleweed. Images can be found for many of the Pis, including the [Raspberry Pi 3](https://en.opensuse.org/HCL:Raspberry_Pi3) and [Raspberry Pi 4](https://en.opensuse.org/HCL:Raspberry_Pi4). 
-- [OpenWRT](https://wiki.openwrt.org/toh/raspberry_pi_foundation/raspberry_pi) - OpenWrt is described as a Linux distribution for embedded devices for network management.
+- [OpenWRT](https://openwrt.org/toh/raspberry_pi_foundation/raspberry_pi) - OpenWrt is described as a Linux distribution for embedded devices for network management.
 - [OSMC](https://osmc.tv/) - Open Source Media Centre, based on Kodi.
 - [PiDeck](http://pideck.com/) - Small form factor DVS system allowing you to control digital music files with timecode vinyl.
 - [PiNet](http://pinet.org.uk/) - System to manage Raspberry Pi classrooms.