diff --git a/src/calibre/utils/podofo/global.h b/src/calibre/utils/podofo/global.h
index 87a56cb04b..b1b1e699b5 100644
--- a/src/calibre/utils/podofo/global.h
+++ b/src/calibre/utils/podofo/global.h
@@ -131,6 +131,7 @@ object_as_reference(const PdfObject *o) {
 }
 
 // Needed to avoid PoDoFo clobbering the /Info and XMP metadata with its own nonsense
+// rename to NoMetadataUdate after https://github.com/podofo/podofo/commit/96689eb6e45b71eae1577ecb2d4a796c52e9a813
 static const PdfSaveOptions save_options = PdfSaveOptions::NoModifyDateUpdate;
 
 class PdfReferenceHasher {