diff --git a/docs/quickstart.rst b/docs/quickstart.rst
index c72259c1..09dddb6f 100644
--- a/docs/quickstart.rst
+++ b/docs/quickstart.rst
@@ -5,7 +5,7 @@ What is GraphQL?
 ----------------
 
 For an introduction to GraphQL and an overview of its concepts, please refer
-to `the official introduction <http://graphql.org/learn/>`.
+to `the official introduction <http://graphql.org/learn/>`_.
 
 Let’s build a basic GraphQL schema from scratch.