diff --git a/proposals/xxxx-admin-safety-controls.md b/proposals/3593-admin-safety-controls.md
similarity index 98%
rename from proposals/xxxx-admin-safety-controls.md
rename to proposals/3593-admin-safety-controls.md
index 7274e73ae39..73eaa6d6640 100644
--- a/proposals/xxxx-admin-safety-controls.md
+++ b/proposals/3593-admin-safety-controls.md
@@ -1,4 +1,4 @@
-# MSCXXXX: Safety Controls through a generic Administration API
+# MSC3593: Safety Controls through a generic Administration API
 
 ## Abstract
 
@@ -307,4 +307,4 @@ access to this API surface. (Note: This was already the case with synapse's Admi
 
 ## Unstable prefix
 
-This MSC has an unstable prefix of `org.matrix.mscXXXX` for any `vX` or `m.` instance.
\ No newline at end of file
+This MSC has an unstable prefix of `org.matrix.msc3593` for any `vX` or `m.` instance.
\ No newline at end of file