diff --git a/administration/configuration.md b/administration/configuration.md
index f5b148a0a8bf6c3a14550ec434b3d2ee67d2eed8..fe37ec6f24524e31d51b01f2ab3bd0cd36d2957b 100644
--- a/administration/configuration.md
+++ b/administration/configuration.md
@@ -247,6 +247,8 @@ Défaut: *'[{"label": "Shapefile", "value": "shape"}]'*
 
 Permet l'extraction des données par GTF.
 
+Systèmes de coordonnées supportés par GTF
+
 Défaut:
 ```
 '[{"label":"2154 Lambert 93","value":"2154"},{"label":"3857 WGS84 Spherical Mercator","value":"3857"},{"label":"4326 WGS84 Longitude latitude","value":"4326"},{"label":"27561 Lambert I Nord","value":"27561"},{"label":"27562 Lambert II Centre","value":"27562"},{"label":"27563 Lambert III Sud","value":"27563"},{"label":"27564 Lambert IV Corse","value":"27564"},{"label":"27571 Lambert I Carto","value":"27571"},{"label":"27572 Lambert II Carto","value":"27572"},{"label":"27573 Lambert III Carto","value":"27573"},{"label":"27572 Lambert IV Carto","value":"27572"}]'