diff --git a/README.md b/README.md
index d8bfd03..3d0608d 100644
--- a/README.md
+++ b/README.md
@@ -6,6 +6,7 @@ This site details a proposal to add a capability for websites to receive shared
 data from other sites and apps.
 
 * [Explainer document](docs/explainer.md), a high-level overview of the proposal.
+* [Specification](https://wicg.github.io/web-share-target/).
 * [Interface document](docs/interface.md), an informal spec.
 * [Native integration survey](docs/native.md), for platform-specific matters.