diff --git a/proposals/xxxx-http-range.md b/proposals/3469-http-range.md
similarity index 91%
rename from proposals/xxxx-http-range.md
rename to proposals/3469-http-range.md
index ee7127141..2d30fe3be 100644
--- a/proposals/xxxx-http-range.md
+++ b/proposals/3469-http-range.md
@@ -1,4 +1,4 @@
-# MSCXXXX: HTTP Range on content repository
+# MSC3469: HTTP Range on content repository
 
 ## Proposal