diff --git a/Proposals/NNNN-attributedstring-utf8-utf16-views.md b/Proposals/0012-attributedstring-utf8-utf16-views.md
similarity index 100%
rename from Proposals/NNNN-attributedstring-utf8-utf16-views.md
rename to Proposals/0012-attributedstring-utf8-utf16-views.md