diff --git a/libisoburn/libisoburn.h b/libisoburn/libisoburn.h
index a4607ffe..4d1282f0 100644
--- a/libisoburn/libisoburn.h
+++ b/libisoburn/libisoburn.h
@@ -952,6 +952,7 @@ int isoburn_igopt_destroy(struct isoburn_imgen_opts **o, int flag);
     @param level is a term of the ISO 9660 standard. It should be one of:
                  1= filenames restricted to form 8.3
                  2= filenames allowed up to 31 characters
+                 3= file content may be larger than 4 GB - 1.
     @return      1 success, <=0 failure
 */
 int isoburn_igopt_set_level(struct isoburn_imgen_opts *o, int level);
diff --git a/xorriso/xorriso_timestamp.h b/xorriso/xorriso_timestamp.h
index 63ec6c36..ecfd1687 100644
--- a/xorriso/xorriso_timestamp.h
+++ b/xorriso/xorriso_timestamp.h
@@ -1 +1 @@
-#define Xorriso_timestamP "2010.12.23.190134"
+#define Xorriso_timestamP "2010.12.24.135515"