diff --git a/tex-stuff/math.tex b/tex-stuff/math.tex
index db1df8c..bf36f97 100644
--- a/tex-stuff/math.tex
+++ b/tex-stuff/math.tex
@@ -119,7 +119,7 @@ with a corresponding Proof 2 for $ECDL(\gamma_{ij}^{\times a}) = ECDL(\delta_{ij
 \subsubsection{Round 3: Decrypt outcome}
 
 $\forall i,j:$ Send $\varphi_{ij}^{\times a} =
-x_{+a}\left(\sum_{h=1}^n\delta_{ij}^{\times h}\right)$ with a Proof 2
+x_{+a}\left(\sum_{h=1}^n\delta_{ij}^{\times h}\right)$ with a Proof 2 showing
 $ECDL(\varphi_{ij}^{\times a}) = ECDL(Y_{\times a})$ to the seller who publishes
 all $\varphi_{ij}^{\times h}$ and the corresponding proofs of correctness for
 each $i, j$ and $h \neq i$ after having received all of them.