Update spec
Updated `encryption_key` attribute to be more clear
@@ -117,8 +117,8 @@ properties:
encryption_key:
description: |
- The 16 or 32 byte AES key to use for encrypting sensitive information
- in the database.
+ A 16 or 32 byte passphrase. This is used to generate an AES key to encrypt
+ sensitive iinformation in the database.
If specified, all existing data will be encrypted on start and any new
data will be encrypted.
