Add README link

CONTRIBUTING.md

@@ -1,11 +1,14 @@
 # How to contribute
 
-Anyone is welcome to contribute! You can do so either directly by submitting changes to the `README` in a [pull
+Anyone is welcome to contribute! You can do so either directly by submitting changes to
+the
+[`README`](https://github.com/yrCSS/awesome-complex-systems-community/blob/main/README.md)
+in a [pull
 request](https://github.com/yrCSS/awesome-complex-systems-community/pulls?q=is%3Apr+is%3Aopen+sort%3Aupdated-desc),
 or by starting a discussion in a new
 [issue](https://github.com/yrCSS/awesome-complex-systems-community/issues?q=is%3Aissue+is%3Aopen+sort%3Aupdated-desc).
-If you're not familiar with pull requests, you can either make it from a fork, following the
-detailed instruction from [this Stack Overflow
-comment](https://stackoverflow.com/a/14680805), or more simply use GitHub's web
+If you're not familiar with pull requests, you can either make it from a fork, following
+the detailed instruction from [this Stack Overflow
+answer](https://stackoverflow.com/a/14680805), or more simply use GitHub's web
 interface to make one, as explained in [this other
-comment](https://stackoverflow.com/a/61152349).
+answer](https://stackoverflow.com/a/61152349).