Add PEP20.org to list of projects using Fira Code

README.md

@@ -159,6 +159,7 @@ Swift:
 - [EvilMartians.com](https://evilmartians.com/)
 - [Web Maker](https://webmakerapp.com/)
 - [FromScratch](https://fromscratch.rocks/)
+- [PEP20.org](https://pep20.org/)
 
 ### Alternatives
 
@@ -175,4 +176,4 @@ Other monospaced fonts with ligatures:
 
 - Author: Nikita Prokopov [@nikitonsky](https://twitter.com/nikitonsky)
 - Based on: [Fira Mono](https://github.com/mozilla/Fira)
-- Inspired by: [Hasklig](https://github.com/i-tu/Hasklig)
+- Inspired by: [Hasklig](https://github.com/i-tu/Hasklig)