diff --git a/etc/PROBLEMS b/etc/PROBLEMS
index 38fca8a3dba..bcbf714c4d4 100644
--- a/etc/PROBLEMS
+++ b/etc/PROBLEMS
@@ -31,7 +31,7 @@ mule-unicode-0100-24ff:-gnu-unifont-*-iso10646-1
 
 Emacs currently, by default, only supports the parts of the BMP whose
 codepoints are in the ranges 0000-33ff and e000-ffff.  This excludes
-CJK, Yi, Music, and Maths.
+CJK, Yi, Music, Maths, Private Use Area, Gothic, and Old Italic.
 
 If you try to save a file containing characters with code points
 outside this range, Emacs will suggest other compatible coding