diff --git a/docs/hazmat/primitives/key-derivation-functions.rst b/docs/hazmat/primitives/key-derivation-functions.rst
index df95632..325a60b 100644
--- a/docs/hazmat/primitives/key-derivation-functions.rst
+++ b/docs/hazmat/primitives/key-derivation-functions.rst
@@ -139,7 +139,7 @@
         provider.
 
     :param int length: The desired length of the derived key. Maximum is
-        255 * (``algorithm.digest_size`` // 8).
+        ``255 * (algorithm.digest_size // 8)``.
 
     :param bytes salt: A salt. Randomizes the KDF's output. Optional, but
         highly recommended. Ideally as many bits of entropy as the security