diff --git a/docs/README.md b/docs/README.md
index ff333b3c89..108392fd9a 100644
--- a/docs/README.md
+++ b/docs/README.md
@@ -39,7 +39,7 @@ on other branches by special arrangement with the Docker maintainers.
 
 If you are a new or beginner contributor, we encourage you to read through the
 [our detailed contributors
-guide](http://docs.docker.com/opensource/code/). The guide explains in
+guide](https://docs.docker.com/opensource/code/). The guide explains in
 detail, with examples, how to contribute. If you are an experienced contributor
 this quickstart should be enough to get you started.