diff --git a/OpenPGP-Security.md b/OpenPGP-Security.md
index 533978d..52a8ff0 100644
--- a/OpenPGP-Security.md
+++ b/OpenPGP-Security.md
@@ -194,7 +194,7 @@ see https://github.com/open-keychain/open-keychain/blob/master/OpenKeychain/src/
 * https://tools.ietf.org/html/draft-josefsson-openpgp-mailnews-header-07
 
 ### Whiteout
-* https://github.com/whiteout-io/mail-html5/wiki/Secure-OpenPGP-Key-Pair-Synchronization-via-IMAP
+* https://github.com/whiteout-io/mail-html5/wiki/Secure-OpenPGP-Key-Pair-Synchronization-via-IMAP (backup here: [[Secure OpenPGP Key Pair Synchronization via IMAP|Secure OpenPGP Key Pair Synchronization via IMAP]])
 
 ### Other
 * http://datatracker.ietf.org/doc/search/?name=openpgp&rfcs=on&activedrafts=on&olddrafts=on&sort=