diff --git a/labs/hyperledger-signare.md b/labs/hyperledger-signare.md
index 1add50c5..5f0b6e59 100644
--- a/labs/hyperledger-signare.md
+++ b/labs/hyperledger-signare.md
@@ -31,7 +31,7 @@ https://github.com/coeniebeyers
 
 # Sponsor
  
-- Susumu Toriumi (susumu.toriumi@datachain.jp) - Maintainer, YUI
+- https://github.com/storiumi, Susumu Toriumi (susumu.toriumi@datachain.jp) - Maintainer, YUI
  
 # Pre-existing repository