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-rw-r--r--docs/hazmat/primitives/mac/index.rst3
1 files changed, 3 insertions, 0 deletions
diff --git a/docs/hazmat/primitives/mac/index.rst b/docs/hazmat/primitives/mac/index.rst
index 59fb8da2..a3ace333 100644
--- a/docs/hazmat/primitives/mac/index.rst
+++ b/docs/hazmat/primitives/mac/index.rst
@@ -3,6 +3,9 @@
Message Authentication Codes
============================
+While cryptography supports both the CMAC and HMAC algorithms, we strongly
+recommend that HMAC should be used unless you have a good reason otherwise.
+
.. toctree::
:maxdepth: 1