diff --git a/README.md b/README.md
index 9f4ff73..2f5f9cb 100644
--- a/README.md
+++ b/README.md
@@ -13,3 +13,7 @@ away from you. Sneaking inverts the direction of the rotation.
 At this time, nodes that can be rotated are hardcoded into the mod, since
 their valid orientations can't be easily extracted. A function mimicking
 NodeCore's own rotation logic has to be provided.
+
+[Minetest]: https://www.minetest.net/
+[NodeCore]: https://content.minetest.net/packages/Warr1024/nodecore/
+[Extended Placement]: https://content.minetest.net/packages/gamefreq0/extended_placement/