diff --git a/ReportSystemArea.md b/ReportSystemArea.md
index 5eb86d5..78e3493 100644
--- a/ReportSystemArea.md
+++ b/ReportSystemArea.md
@@ -283,7 +283,7 @@ The following lines appear conditionally:
 
 Technical details and also some links to background information can be
 found in
-[doc/boot_sectors.txt](https://dev.lovelyhq.com/libburnia/libisofs/raw/HEAD/doc/boot_sectors.txt)
+[doc/boot_sectors.txt](https://dev.lovelyhq.com/libburnia/libisofs/raw/branch/master/doc/boot_sectors.txt)
 of libisofs.
 
 ---------------------------