diff --git a/design/state-channel-committee.md b/design/state-channel-committee.md
index e57f571..29e05e0 100644
--- a/design/state-channel-committee.md
+++ b/design/state-channel-committee.md
@@ -96,7 +96,7 @@ ensure that fees are paid there.
 
 We improve on the BRICK protocol by allowing signatures from all participants
 and committee members to be combined into a single signature using Schnorr or
-BLS signatures.
+[BLS signatures][4].
 
 We improve on the BRICK protocol by requiring less interaction with the
 blockchain when closing unilaterally. In particular, we do not require each
@@ -119,4 +119,5 @@ It also lacks a proof-of-concept implementation and performance measurements.
 
 [1]: https://www.cs.cornell.edu/~iddo/pisa.pdf
 [2]: https://arxiv.org/pdf/1905.11360.pdf
-[3]: https://arxiv.org/pdf/1909.10926.pdf
\ No newline at end of file
+[3]: https://arxiv.org/pdf/1909.10926.pdf
+[4]: https://crypto.stanford.edu/~dabo/pubs/papers/BLSmultisig.html