diff --git a/proposals/MSCXXXX Using room type of m.policy for policy rooms.md b/proposals/XXXX-Using-room-type-of-m.policy-for-policy-rooms.md
similarity index 98%
rename from proposals/MSCXXXX Using room type of m.policy for policy rooms.md
rename to proposals/XXXX-Using-room-type-of-m.policy-for-policy-rooms.md
index d35e565e6..1c7057326 100644
--- a/proposals/MSCXXXX Using room type of m.policy for policy rooms.md	
+++ b/proposals/XXXX-Using-room-type-of-m.policy-for-policy-rooms.md
@@ -60,4 +60,4 @@ unstable prefix after this MSC gets merged as of time of writing.
 
 ## Dependencies
 
-The Author is not aware of any unstable MSC dependencies for this MSC.
\ No newline at end of file
+The Author is not aware of any unstable MSC dependencies for this MSC.