Fix Waterlinked GPS URL

Author: Davo911

introduction/hardware-options/additional-peripheral-devices/underwater-positioning.md

@@ -30,7 +30,7 @@ SBL systems can produce better positioning accuracy in highly reflective environ
 
 ## Supported SBL Systems
 
-* [Water Linked Underwater GPS Explorer Kit](https://store.waterlinked.com/underwater-gps/)
+* [Water Linked Underwater GPS Explorer Kit](https://waterlinked.com/underwater-gps/)
 
 # USBL Positioning Systems