Update notices.md

Author: kenyonj

notices.md

@@ -22,7 +22,7 @@ Content is copyright © Open Source Guides authors, released under [CC-BY-4.0](h
 Code, including source files and code samples if any in the content, is released under [CC0-1.0](https://creativecommons.org/publicdomain/zero/1.0/), with the following exceptions:
 
 * The primer components in `node_modules` are under the MIT license; see `LICENSE` in each component's directory
-* The [Octicons images](https://octicons.github.com) are under the [SIL OFL 1.1](http://scripts.sil.org/OFL)
+* The [Octicons images](https://octicons.github.com) are under the [SIL OFL 1.1](https://scripts.sil.org/ofl)
 
 This means you can use the code and content in this repository except for GitHub trademarks in your own projects. When using the GitHub logos, be sure to follow the [GitHub logo guidelines](https://github.com/logos).