fix link

Author: jcupitt

README.md

@@ -39,7 +39,7 @@ flatpak install flathub org.libvips.vipsdisp
 ```
 
 It's also on homebrew for macOS, and there are [x64 and arm64 Windows binaries 
-for each release](releases).
+for each release](https://github.com/jcupitt/vipsdisp/releases).
 
 ## Features