From 176c615654e7701b55483d6a9b089d7ac8e1b07a Mon Sep 17 00:00:00 2001
From: Giuseppe Gassi <gassigiuseppe@gmail.com>
Date: Sat, 22 Nov 2025 20:57:01 +0100
Subject: [PATCH] Update Chapters/14-GNN-GCN/INDEX.md

---
 Chapters/14-GNN-GCN/INDEX.md | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Chapters/14-GNN-GCN/INDEX.md b/Chapters/14-GNN-GCN/INDEX.md
index 57f8a9e..b93b7d8 100644
--- a/Chapters/14-GNN-GCN/INDEX.md
+++ b/Chapters/14-GNN-GCN/INDEX.md
@@ -325,6 +325,8 @@ $$
         l_{1, 0} & l_{1, 1} & l_{1, 2} \\
         l_{2, 0} & l_{2, 1} & l_{2, 2} \\
     \end{bmatrix} = \\
+$$
+$$
     &= \begin{bmatrix}
         l_{0, 0}^2 + l_{0, 1}l_{1, 0} + l_{0, 2}l_{2, 0} &
         l_{0, 0}l_{0, 1} + l_{0, 1}l_{1, 1} + l_{0, 2}l_{2, 1} &