Fix YAML front matter formatting in networks index file

Daniel Precioso · Daniel Precioso · commit 8b12894d6719 · 2026-03-04T16:44:36.000+01:00
diff --git a/modules/networks/index.qmd b/modules/networks/index.qmd
@@ -2,7 +2,7 @@
 title: "Networks"
 subtitle: "Structure, Centrality and Spreading on Graphs"
 format: html
-------------
+---
 
 In this session, we will simulate **dynamical processes on graphs**, in particular SIS and SIR epidemic models.
 
