diff --git a/proposals/XXXX-Using-room-type-of-m.policy-for-policy-rooms.md b/proposals/XXXX-using-room-type-of-m.policy-for-policy-rooms.md
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rename from proposals/XXXX-Using-room-type-of-m.policy-for-policy-rooms.md
rename to proposals/XXXX-using-room-type-of-m.policy-for-policy-rooms.md