NIP-24: Fix heading levels (#2009)

24.md

@@ -8,8 +8,7 @@ Extra metadata fields and tags
 
 This NIP keeps track of extra optional fields that can added to events which are not defined anywhere else but have become _de facto_ standards and other minor implementation possibilities that do not deserve their own NIP and do not have a place in other NIPs.
 
-kind 0
-======
+### kind 0
 
 These are extra fields not specified in NIP-01 that may be present in the stringified JSON of metadata events:
 
@@ -19,24 +18,22 @@ These are extra fields not specified in NIP-01 that may be present in the string
   - `bot`: a boolean to clarify that the content is entirely or partially the result of automation, such as with chatbots or newsfeeds.
   - `birthday`: an object representing the author's birth date. The format is { "year": number, "month": number, "day": number }. Each field MAY be omitted.
 
-### Deprecated fields
+#### Deprecated fields
 
 These are fields that should be ignored or removed when found in the wild:
 
   - `displayName`: use `display_name` instead.
   - `username`: use `name` instead.
 
-kind 3
-======
+### kind 3
 
 These are extra fields not specified in NIP-02 that may be present in the stringified JSON of follow events:
 
-### Deprecated fields
+#### Deprecated fields
 
   - `{<relay-url>: {"read": <true|false>, "write": <true|false>}, ...}`: an object of relays used by a user to read/write. [NIP-65](65.md) should be used instead.
 
-tags
-====
+### tags
 
 These tags may be present in multiple event kinds. Whenever a different meaning is not specified by some more specific NIP, they have the following meanings: