Fix broken link in ROADMAP.md

Co-authored-by: Nicholas Guyett <nicholas@guyett.me>

ROADMAP.md

@@ -4,7 +4,7 @@ Our vision is to create a social-networking platform that mirrors the functional
 We welcome help from technical, as well as non-technical folks equally.  Even if you do not code, there is a growing list of items that you may still be able to help out with. <br />
 
 Please do not hesitate to ask questions, or volunteer for things that you might be interested in poking at.
-Also checkout the [Developer Documentation](https://github.com/Aardwolf-Social/aardwolf/doc/development) for more information on specific development targets.
+Also checkout the [Developer Documentation](/doc/development) for more information on specific development targets.
 
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 ## Requirements for Minimum Viable Product