oh i guess this should point here.

julia7662 · julia7662 · commit 98ff909a9ac2 · 2014-03-13T01:38:47.000-07:00
diff --git a/content/v3/repos/hooks.md b/content/v3/repos/hooks.md
@@ -141,7 +141,7 @@ GitHub will send along a few HTTP headers to differentiate between event types a
 
 Name | Description
 -----|-----------|
-`X-GitHub-Event` | The [event type][events-url] that was triggered.
+`X-GitHub-Event` | The [event type](/v3/activity/events/types/) that was triggered.
 `X-GitHub-Delivery` | A [guid][guid] to identify the payload and event being sent.
 `X-GitHub-Signature` | The value of this header is computed as the HMAC hex digest of the body, using the `secret` config option as the key.
 
