1 files changed, 5 insertions, 3 deletions

diff --git a/24.md b/24.md
index b21f48e..1afa7c7 100644
--- a/24.md
+++ b/24.md
@@ -28,7 +28,7 @@ These are fields that should be ignored or removed when found in the wild:
 kind 3
 ======
 
-These are extra fields not specified in NIP-02 that may be present in the stringified JSON of contacts events:
+These are extra fields not specified in NIP-02 that may be present in the stringified JSON of follow events:
 
 ### Deprecated fields
 
@@ -39,5 +39,7 @@ 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:
 
-  - `r`: a web URL the event is referring to in some way
-  - `title`: name of [NIP-51](51.md) sets, [NIP-52](52.md) calendar event, [NIP-53](53.md) live event or [NIP-99](99.md) listing
+  - `r`: a web URL the event is referring to in some way.
+  - `i`: an external id the event is referring to in some way - see [NIP-73](73.md).
+  - `title`: name of [NIP-51](51.md) sets, [NIP-52](52.md) calendar event, [NIP-53](53.md) live event or [NIP-99](99.md) listing.
+  - `t`: a hashtag. The value MUST be a lowercase string.