2 files changed, 4 insertions, 1 deletions

diff --git a/78.md b/78.md
index abdd1b2..7ad50f3 100644
--- a/78.md
+++ b/78.md
@@ -12,7 +12,9 @@ Even though interoperability is great, some apps do not want or do not need inte
 
 ## Nostr event
 
-This NIP specifies the use of event kind `30078` (an _addressable_ event) with a `d` tag containing some reference to the app name and context -- or any other arbitrary string. `content` and other `tags` can be anything or in any format.
+This NIP specifies the use of event kinds `30078` (an _addressable_ event) with a `d` tag containing some reference to the app name and context -- or any other arbitrary string. `content` and other `tags` can be anything or in any format.
+
+It also defines the kind `78` (a _normal_ event) for when the app needs to store and query multiple events of the same type. Apps should use some unique tag (even a `d` tag) for grouping these events together.
 
 ## Some use cases
 
diff --git a/README.md b/README.md
index d9f84b4..96c1f3f 100644
--- a/README.md
+++ b/README.md
@@ -149,6 +149,7 @@ They exist to document what may be implemented by [Nostr](https://github.com/nos
 | `44`          | Channel Mute User               | [28](28.md)                            |
 | `62`          | Request to Vanish               | [62](62.md)                            |
 | `64`          | Chess (PGN)                     | [64](64.md)                            |
+| `78`          | Application-specific Data       | [78](78.md)                            |
 | `443`         | KeyPackage                      | [Marmot](marmot)                       |
 | `444`         | Welcome Message                 | [Marmot](marmot)                       |
 | `445`         | Group Event                     | [Marmot](marmot)                       |