diff --git a/doc/tips/Shamir_secret_sharing_and_git-annex.mdwn b/doc/tips/Shamir_secret_sharing_and_git-annex.mdwn
index d849dfbd78..df19f68b8e 100644
--- a/doc/tips/Shamir_secret_sharing_and_git-annex.mdwn
+++ b/doc/tips/Shamir_secret_sharing_and_git-annex.mdwn
@@ -1,6 +1,6 @@
 Combining git-annex with [Shamir secret sharing](http://en.wikipedia.org/wiki/Shamir%27s_Secret_Sharing)
 is an useful way to securely back up highly sensitive files,
-such as a gpg key.
+such as a gpg key or bitcoin wallet.
 
 Shamir secret sharing creates N shares of a file, of which any M can be
 used to reconstitute the original file. Anyone who has less than M shares