diff --git a/administration/configuration.md b/administration/configuration.md
index fe37ec6f24524e31d51b01f2ab3bd0cd36d2957b..348f1a4064c52fe711b96dbabcc1e2b70b5060da 100644
--- a/administration/configuration.md
+++ b/administration/configuration.md
@@ -241,7 +241,10 @@ Permet l'extraction des données par GTF.
 
 Formats supportés par GTF
 
-Défaut: *'[{"label": "Shapefile", "value": "shape"}]'*
+Défaut:
+```
+'[{"label": "Shapefile", "value": "shape"}]'
+```
 
 #### $properties['vmap_export']['gtf_export_coordsys']