Linkify the things we have that others don't
diff --git a/docs/index.rst b/docs/index.rst
index 86cd42c..49e99be 100644
--- a/docs/index.rst
+++ b/docs/index.rst
@@ -28,7 +28,9 @@
* Use of poor implementations of algorithms (i.e. ones with known side-channel
attacks).
* Lack of high level, "Cryptography for humans", APIs.
-* Absence of algorithms such as AES-GCM.
+* Absence of algorithms such as
+ :class:`AES-GCM <cryptography.hazmat.primitives.ciphers.modes.GCM>` and
+ :class:`~cryptography.hazmat.primitives.kdf.hkdf.HKDF`.
* Poor introspectability, and thus poor testability.
* Extremely error prone APIs, and bad defaults.