diff --git a/README.md b/README.md
index fea16f9..3fdab70 100644
--- a/README.md
+++ b/README.md
@@ -58,7 +58,7 @@ This should be updated fairly regularly. As usual, **pull requests are encourage
 * [Rust Guides](https://doc.rust-lang.org/book/README.html) - Rust is a pre-1.0 language with a constantly-changing API, but the docs (written by [Steve Klabnik](https://github.com/steveklabnik)) are clearly a high priority. The guides in particular illustrate core concepts of the standard library in a conversational, accessible style. (contributed by [Nick Cox](https://github.com/thenickcox)
 * [MongoDB Manual](https://www.mongodb.com/docs/manual/) - Easy to navigate, clean, carefully and well designed manual. (contributed by [ericbn](https://github.com/ericbn))
 * [Mailgun Documentation](https://documentation.mailgun.com) - Email service for developers. Language selector, API code samples, editable in the browser, created with Sphinx. (contributed by [@leemunroe](https://github.com/leemunroe))
-* [Grav Documentation](http://learn.getgrav.org) - Documentation for Grav, a modern open source flat-file CMS. Tightly integrated with GitHub in markdown format, with quick search and highlight. (contributed by [@rhuk](https://twitter.com/rhuk))
+* [Grav Documentation](https://learn.getgrav.org/) - Documentation for Grav, a modern open source flat-file CMS. Tightly integrated with GitHub in markdown format, with quick search and highlight. (contributed by [@rhuk](https://twitter.com/rhuk))
 * [Mailjet API guides](http://dev.mailjet.com/) - Great documentation with generated code samples using Slate from Tripit
 * [Atlassian GIT Tutorials](https://www.atlassian.com/git/) - Documentation and tutorials on Git. I like their layout. It is simple and focused on explaining the concepts with good diagrams, tutorials and glossary. (contributed by [@vaseehh](https://twitter.com/vaseehh))
 * [Digital Ocean API Docs](https://developers.digitalocean.com/documentation/v2/) - These docs are stellar. Examples are abundant and the organization makes each component of the API easy to reason about. (contributed by [@jasonaibrahim](https://github.com/jasonaibrahim))