diff --git a/docs/hazmat/primitives/interfaces.rst b/docs/hazmat/primitives/interfaces.rst
index 9743278..ce8b7c7 100644
--- a/docs/hazmat/primitives/interfaces.rst
+++ b/docs/hazmat/primitives/interfaces.rst
@@ -447,8 +447,8 @@
         stored derived key.
 
 
-CMAC
-~~~~
+`CMAC`_
+~~~~~~~
 
 .. class:: CMACContext
 
@@ -471,3 +471,4 @@
 .. _`RSA`: https://en.wikipedia.org/wiki/RSA_(cryptosystem)
 .. _`Chinese remainder theorem`: https://en.wikipedia.org/wiki/Chinese_remainder_theorem
 .. _`DSA`: https://en.wikipedia.org/wiki/Digital_Signature_Algorithm
+.. _`CMAC`: https://en.wikipedia.org/wiki/CMAC