diff --git a/cpdfua.ml b/cpdfua.ml
index acfbfc8..b322265 100644
--- a/cpdfua.ml
+++ b/cpdfua.ml
@@ -9,12 +9,11 @@ open Cpdferror
      10-002 Doesn't check CID keyed fonts
 
      11-001 11-002 11-003 11-004 11-005 Natural Language (We just check for
-     top-level document language - PDF/UA-2 requires it, and we have no example
-     files without it.)
+     top-level document language.)
 
    Unimplemented:
-     31-007 31-008 31-011 31-012 31-013 31-014 31-015 31-016 31-018 31-030
-     Require looking inside font files *)
+     31-011 31-012 31-013 31-014 31-015 31-016 31-018 31-030 Require looking
+     inside font files *)
 
 type subformat =
   | PDFUA1