diff --git a/bip-DLEQ.mediawiki b/bip-DLEQ.mediawiki
index 57260591..90de1e15 100644
--- a/bip-DLEQ.mediawiki
+++ b/bip-DLEQ.mediawiki
@@ -81,7 +81,7 @@ The algorithm ''VerifyProof(A, B, C, proof, G, m)'' is defined as:
* Let ''R2 = s⋅B - e⋅C''.
* Fail if ''is_infinite(R2)''.
* Let ''m' = m if m is provided, otherwise an empty byte array''.
-* Fail if ''e ≠ int(hashBIP0???/challenge(cbytes(A) || cbytes(B) || cbytes(C) || cbytes(G) || cbytes(R1) || cbytes(R2) || cbytes(m')))''.
+* Fail if ''e ≠ int(hashBIP0???/challenge(cbytes(A) || cbytes(B) || cbytes(C) || cbytes(G) || cbytes(R1) || cbytes(R2) || m'))''.
* Return success iff no failure occurred before reaching this point.
==Backwards Compatibility==