diff --git a/xorriso/xorriso_eng.html b/xorriso/xorriso_eng.html
index df485627..429a72ca 100644
--- a/xorriso/xorriso_eng.html
+++ b/xorriso/xorriso_eng.html
@@ -570,6 +570,10 @@ On FreeBSD: xorriso could leave the drive tray locked.
 <LI>
 On FreeBSD: Piped input was falsely attributed a small fixed size.
 </LI>
+<LI>
+Option -update_r could lead to SIGSEGV if applied to a data file rather
+than a directory.
+</LI>
 <!-- 
 <LI>- none yet -</LI>
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