diff --git a/cw/cw.tex b/cw/cw.tex
index f739f02..b157e43 100644
--- a/cw/cw.tex
+++ b/cw/cw.tex
@@ -182,7 +182,7 @@
 	\subsection*{6.1}
 	\subsubsection*{6.1.1}
 	Bob can check if the equation holds then Bob knows that Alice signed the Contract
-	$$h = H(g^s\times y^c \text{ mod } p || C)$$
+	$$h = H(g^s\times y^h \text{ mod } p || C)$$
 	where y is Alice's pub key.
 
 	\subsubsection*{6.1.2}