Update README.md

Author: anenadic

README.md

@@ -83,18 +83,18 @@ Past maintainers:
 
 ## Authors
 
-A list of all contributors to the lesson can be found in <AUTHORS>.
+A list of all contributors to the lesson can be found in [AUTHORS](./AUTHORS).
 
 ## Licence
 
 Instructional material from this lesson is made available under the
 [Creative Commons Attribution][cc-by-human] ([CC BY 4.0][cc-by-legal]) licence. Except where
 otherwise noted, example programs and software included as part of this lesson are made available
-under the [MIT licence][mit-license]. For more information, see ./LICENSE.md.
+under the [MIT licence][mit-license]. For more information, see [LICENSE.md](LICENSE.md).
 
 ## Citation
 
-To cite this lesson, please consult with ./CITATION.
+To cite this lesson, please consult with [CITATION](CITATION).
 
 ## Contact