Fixing line > 79 characters, PEP8
diff --git a/docs/development/test-vectors.rst b/docs/development/test-vectors.rst
index 5be0261..e09f0a0 100644
--- a/docs/development/test-vectors.rst
+++ b/docs/development/test-vectors.rst
@@ -344,7 +344,8 @@
* PBKDF2 (HMAC-SHA1) from :rfc:`6070`.
* scrypt from the `draft RFC`_.
* X9.63 KDF from `NIST CAVP`_.
-* SP 800-108 Counter Mode KDF (HMAC-SHA1, HMAC-SHA224, HMAC-SHA256, HMAC-SHA512) from `NIST CAVP`_.
+* SP 800-108 Counter Mode KDF (HMAC-SHA1, HMAC-SHA224, HMAC-SHA256,
+ HMAC-SHA384, HMAC-SHA512) from `NIST CAVP`_.
Key wrapping
~~~~~~~~~~~~