1 files changed, 1 insertions, 1 deletions

diff --git a/24.md b/24.md
index 8710af6..ef4196b 100644
--- a/24.md
+++ b/24.md
@@ -40,5 +40,5 @@ 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
-  - `i`: an external id the event is referring to in some way - see [NIP-XX](XX.md)
+  - `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