Update CHANGELOG.md

Author: mmeyer2k

docs/CHANGELOG.md

@@ -4,7 +4,6 @@
 - Only require 32 byte keys from now on
 - Remove key randomness testing in favor of trusting devs
 - Add "Aes" as shorthand alias for "Aes256Gcm" to prevent typos
-- 
 
 ## 13.0.0
 - Skip validating key when decrypting
@@ -114,4 +113,4 @@
 ## 8.0.0
 - `Aes` has been renamed to `AesCbc`.
 - Many improvents to structure and readability
-- Added normalized hmac wrapper
+- Added normalized hmac wrapper