diff --git a/CHANGES.md b/CHANGES.md
index 538da4330..cdeb1dea3 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -13,7 +13,7 @@
 * The deduplication of the `"timeline"` and `"state"` sections in `/sync` is now performed after applying history visibility, so state events should not be dropped unexpectedly
 * The `prev_batch` token returned by `/sync` is now calculated after applying history visibility, so that the pagination boundaries are correct
 * The room summary membership counts in `/sync` should now be calculated properly in more cases
-* A false membership leave event should no longer be sent down `/sync` as a result of retiring an accepted invite
+* A false membership leave event should no longer be sent down `/sync` as a result of retiring an accepted invite (contributed by [tak-hntlabs](https://github.com/tak-hntlabs))
 * Presence updates are now only sent to other servers for which the user shares rooms
 * A bug which could cause a panic when converting events into the `ClientEvent` format has been fixed