diff --git a/proposals/xxxx-mxc-hash.md b/proposals/3468-mxc-hash.md
similarity index 99%
rename from proposals/xxxx-mxc-hash.md
rename to proposals/3468-mxc-hash.md
index c7bf4e00c..7f5482602 100644
--- a/proposals/xxxx-mxc-hash.md
+++ b/proposals/3468-mxc-hash.md
@@ -1,4 +1,4 @@
-# MSC0000: MXCs to Hashes
+# MSC3468: MXCs to Hashes
 
 Currently, matrix media/content repositories work with a MXC to blob mapping, fetching the media
 from the domain embedded in the MXC to present it to the user.