nip44: update some nits.

44.md

@@ -8,11 +8,11 @@ Encrypted Payloads (Versioned)
 
 The NIP introduces a new data format for keypair-based encryption. This NIP is versioned
 to allow multiple algorithm choices to exist simultaneously. This format may be used for
-many things, but MUST be used in the context of a signed event as described in NIP 01.
+many things, but MUST be used in the context of a signed event as described in NIP-01.
 
 *Note*: this format DOES NOT define any `kind`s related to a new direct messaging standard,
 only the encryption required to define one. It SHOULD NOT be used as a drop-in replacement
-for NIP 04 payloads.
+for NIP-04 payloads.
 
 ## Versions
 
@@ -41,7 +41,7 @@ On its own, messages sent using this scheme have a number of important shortcomi
 - No post-compromise security: when a key is compromised, it is possible to decrypt all future conversations
 - No post-quantum security: a powerful quantum computer would be able to decrypt the messages
 - IP address leak: user IP may be seen by relays and all intermediaries between user and relay
-- Date leak: `created_at` is public, since it is a part of NIP 01 event
+- Date leak: `created_at` is public, since it is a part of NIP-01 event
 - Limited message size leak: padding only partially obscures true message length
 - No attachments: they are not supported
 
@@ -148,7 +148,7 @@ validation rules, refer to BIP-340.
   - `x[i:j]`, where `x` is a byte array and `i, j <= 0` returns a `(j - i)`-byte array with a copy of the
     `i`-th byte (inclusive) to the `j`-th byte (exclusive) of `x`.
 - Constants `c`:
-  - `min_plaintext_size` is 1. 1bytes msg is padded to 32bytes.
+  - `min_plaintext_size` is 1. 1 byte msg is padded to 32 bytes.
   - `max_plaintext_size` is 65535 (64kB - 1). It is padded to 65536 bytes.
 - Functions
   - `base64_encode(string)` and `base64_decode(bytes)` are Base64 ([RFC 4648](https://datatracker.ietf.org/doc/html/rfc4648), with padding)