minor tweak

docs/core-concepts/specification.md

@@ -5,7 +5,7 @@ custom_edit_url: https://github.com/input-output-hk/hydra/tree/master/spec
 
 # Specification
 
-The specification is currently written in LaTeX and can be [edited](https://github.com/input-output-hk/hydra/tree/master/spec) in the Hydra repository. You can view the rendered version below or download it for fullscreen viewing here: [Download](/hydra-spec.pdf).
+The specification is currently written in LaTeX and can be [edited](https://github.com/input-output-hk/hydra/tree/master/spec) in the Hydra repository. You can view the rendered version below or download it for fullscreen viewing [here](/hydra-spec.pdf).
 
 import HydraSpecUrl from '@site/static/hydra-spec.pdf';